Call Anytime! (704) 910-0341 or email us: sterilizerrepair@yahoo.com

Parts Phone-in Orders (704) 910-0341

Pelton Crane (refurbed)
Harvey (refurbed)
Video

We have many instructional and sales videos

  • Tuttenauer

    Tuttenauer

  • Cox

    Cox

  • Scican

    Scican

  • Pelton

    Pelton

  • All_ American

    All_ American

  • Prestige

    Prestige

  • Sterident

    Sterident

Troubleshoot - Midmark_Ritter - M3

 

Problem Display / Symptom Probable Cause Check Correction
Sterilizer has no power. Touchpad & display do not work. Sterilizer not plugged in. Check power cord connections at wall outlet and on back of sterilizer. Secure power cord connections.
Power switch turned off. Check power switch. Turn power switch on.
No power at wall outlet. Check voltage at wall outlet. Reset facility circuit breaker. The sterilizer should be plugged into a dedicated 20 amp circuit.
F1 fuse on PC board is blown or open. Check F1 fuse for continuity. Replace fuse.
Sterilizer has power, but touchpad & display do not work. Touchpad & display do not work. F2 fuse on PC board is blown or open. Check F2 fuse for continuity. Replace fuse.
Ribbon cable from J15 on main PC board to J3 on display PC board is loose or disconnected. Check ribbon cable connections at J15 on main PC board & J3 on display PC board. Secure ribbon cable connections.
J15 / J3 ribbon cable has open lead(s). Check J15 / J3 ribbon cable for continuity. Replace ribbon cable.
Main PC board is malfunctioning. Check for 5 VDC between TP1 & TP4, and on J15 across pins 1 & 2 on main PC board. If 5 VDC is not present at these points, replace main PC board.
Display is blank or undifined charcters & internment beeps. Display PC board is malfunctioning Check for 5 VDC between R1 & J1 on display PC board. If 5 VDC is not present, replace display PC board.
Display works but touch pad doesn't. Ribbon cable from J2 to touch pad is disconnected. Check J2 Plug connection. Assure J2 Plug pins are aligned and connected securely.
J2 ribbon cable to touch pad has open lead(s). Check continuity of J2 ribbon cable and touch pad. Replace touch pad and ribbon cable assembly.
Unit has power, but the door is not open in Select Cycle Mode, and there is no error code associated with this condition. Display is normal. Door motor connecting rod is broken. Remove top cover and verify that the door motor connecting rod is intact. Replace door motor connecting rod.
C010 C010: POWER UP MODE SYSTEM POWER LOSS ITEMS NOT STERILE PUSH STOP TO RESTART Power interruption during any mode in which sterilization may be compromised. User turned power off during Chamber Close, Heat Up, or Sterilization Mode. Ask questions about usage patterns Train user on proper operation.
Unit plugged into a non dedicated, 20 amp circuit. Check if unit is plugged into a dedicated 20 amp circuit. Connect unit to a dedicated 20 amp circuit.
Some other event (such as a storm, a power outage, ect.) interrupted power. Ask questions about recent electrical events (storms, outages, ect.). If this is a common occurrence, isolate from source of electrical interference.

 

Problem Display / Symptom Probable Cause Check Correction
C060 C060: POWER UP MODE SYSTEM HARDWARE TURN POWER OFF/ON At power-up, memory or other hardware cannot be properly read or initialized. (If occational) power has been rapidly cycled off then on again by user (possibly to clear another error). Ask questions about usage patterns. Train user on proper operation.
(If occational) power has been rapidly cycled off then on again by an electrical interruption (such as a storm, power outage, ect.). Check if sterilizer is plugged into a dedicated 20 amp circuit. Connect unit to a dedicated 20 amp circuit.
Ask questions about recent electrical events. If this is a common occurrence, isolate from source of electrical interference.
(If persistent) damaged component on PC board. Turn power switch off. Wait 20 seconds, and turn power back on. Repeat several times in a row. Replace PC board if necessary.
C099 C099: MISC MODE ??? ??? UNPLUG/RE-PLUG UNIT An error that can occur while connected to a PC, ect. This error will never be caused by normal usage. Code was generated at the factory during testing when an external device such as a PC or laptop was connected to the sterilizer main PC board. No check necessary. Contact Midmark's Technical Service Department.
C102: Close Mode C103: Heatup Mode C104: Sterilize Mode C105: Vent Mode C106: Open Mode C10X: XXXXMODE STOP KEY ITEMS NOT STERILE PUSH STOP TO RESTART The STOP key was sensed during a cycle. User pressed the STOP key during the cycle. Ask questions about usage patterns. Train user on proper operation. Press STOP key to clear error. Note: It may be necessary to wait briefly (up to 1 minute) while chamber pressure & temperature dissipate.
Membrane switch (touchpad) is damaged. Perform key test. Refer to: Service Diagnostics Key Test. Replace membrane switch.
C231: Select Mode C232: Close Mode C23X: XXXX MODE WATER LOW ITEMS NOT STERILE PUSH STOP TO RESTART Reservoir water level sensor detects the supply water is low. Reservoir water level low. Check water level in reservoir. Fill reservoir with distilled water.
Faulty water level sensor. Refer to: I/O Test Water Level /External Tank Display Screen. Replace water level sensor.
Level sensor connection loose or disconnected, or broken wires. Check level sensor connection at J13 on PC board, and related leads Assure J13 plug connection is securely connected and related wires are not damaged.
Malfunctioning PC board. Run service diagnostics, and check for 4.5 to 5.0 VDC at J13 pins 1 & 2 on PC board when level sensor state is being displayed on LCD. If no voltage, replace PC board.

 

Problem Display / Symptom Probable Cause Check Correction
C321: Select Mode C326: Open Mode C32X: XXXX MODE DOOR CLOSED PUSH STOP TO RESTART Door Motor Open Switch is not sensed as being open when should be. Something outside of the unit is physically interfering with the movement of the door. Verify that there is nothing outside of the unit stopping movement of the door. Remove any external impediment to door movement.
The door motor cam is not making contact with the Door Open Switch. Remove top cover, put unit into Service Diagnostics, and verify that the door motor is not broken and physically attempts to operate. Replace door motor.
Door will not open because there is too much pressure in chamber. Check for obstruction in plastic tube connecting unit to external condensing tank. Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Put unit into Service Diagnostics, and verify that the PC board is energizing vent valve when appropriate. Replace PC board, if necessary.
Pressure Interlock Assy, is stuck open. Verify that chamber pressure is zero and then check the state of the pressure interlock assy. Replace pressure interlock assy.
Door Open Switch is stuck in the closed state. Put unit into Service Diagnostics, and verify that the Door Open Switch is operating normally. Replace door switch / harness assy.
Something inside the chamber is physically interfering with the movement of the door. Verify that there is nothing jammed inside the chamber stopping movement of the door by manually opening the door. Turn power off, remove top cover, and purge chamber of pressure. Remove pivot pin from door motor connecting rod and pivot bracket, then manually open the door. Remove jammed instruments.
PC Board is not energizing door motor. Put unit into Service Diagnostics and verify that the PC board is energizing door motor when appropriate. Replace PC board, if necessary.

 

Problem Display / Symptom Probable Cause Check Correction
C352: Close Mode C353: Heatup Mode C354: Sterilize Mode C355: Vent Mode C356 Open Mode C35X: XXXX MODE TRAY SWITCH OPEN ITEMS NOT STERILE PUSH STOP TO RESTART Tray Switch not sensed as fully closed when it should be. Tray not properly staged when inserted into chamber. Ask questions about the way the user loads the tray. Train user to fully stage the tray before attempting to start a cycle.
Tray handle's plastic key is broken off. Ensure that left lower side of plastic tray handle has a "key" that sticks out about an inch. Replace bottom door tray handle.
Tray switch is not positioned correctly, and is not sensing presence of tray. Use Service Diagnostics to verify that the tray switch actuates when the tray initially crests bump in the tusk. Adjust the tray switch bracket.
Tray switch is faulty. Use Service Diagnostics to ensure that the switch operates correctly. Replace door switch / harness assy.
C382: Close Mode C383: Heatup Mode C384: Sterilize Mode C385: Vent Mode C38X: XXXX MODE DOOR OPEN ITEMS NOT STERILE PUSH STOP TO RESTART Door Motor Closed Switch has been activated, stopping the door motor, but the Door Claw Switch is not sensed as being closed. Something outside of the unit is physically interfering with the movement of the door. Verify that there is nothing outside of the unit stopping movement of the door. Remove any external impediment to door movement.
The door motor cam is not making contact with the Door Closed Switch. Remove top cover, put unit into Service Diagnostics, and verify that the door motor is not broken and physically attempts to operate. Replace door motor.
Door will not close because there is too much pressure in chamber. Check for obstruction in plastic tube connecting unit to external condensing tank. Unkink plastic tube, remove obstruction, or replace.
Check copper coil in external condensing tank for blockage or damage. Clear obstruction or replace copper coil.
Check vent port in chamber for blockage. Check filter for blockage. Clear obstruction in vent port. Clean or replace filter.
Check vent valve for blockage. Put unit into Service Diagnostics and check vent valve operation. Clean or replace vent valve.
Put unit into Service Diagnostics, and verify that the PC board is energizing vent valve when appropriate. Replace PC board, if necessary.
Door motor bracket not adjusted properly. Verify that, when the door motor is in the closed position, there is enough throw to physically close the door all the way. If there is not enough throw, adjust the door motor more toward the rear of the unit.
Door Closed Switch is stuck in the closed state. Put unit in Service Diagnostics, and verify that the door closed switch is operating normally. Replace door switch / harness assy.

 

Problem Display / Symptom Probable Cause Check Correction
C382: Close Mode C383: Heatup Mode C384: Sterilize Mode C385: Vent Mode (Continued) Door Motor Closed Switch has been activated, stopping the door motor, but the Door Claw Switch is not sensed as being closed. Something inside the chamber is physically interfering with the movement of the door. Verify that there is nothing jammed inside the chamber stopping movement of the door. Remove any jammed instruments.
PC Board is not energizing door motor. Put unit into Service Diagnostics and verify that the PC board is energizing door motor when appropriate. Replace PC board, if necessary.
C441: Select Mode C442: Close Mode C44X: XXXX MODE EXTERNAL TANK FULL PUSH STOP TO RESTART The external tank water level sensor detected water level in the external tank is too high to perform next cycle. External condensing tank is full. Visually check tank to see if full. Empty external condensing tank..
Corrosion on condensing tank level sensors. Visually inspect external condensing tank water level sensors. Clean sensors, copper coil, and inside of condensing tank with a clean cloth.
Level sensors or attached wiring damaged. Check level sensors and attached wiring for damage. Replace level sensors and/or wiring.
System is not processing data properly. Go into Service Diagnostics to verify sensor operation. Refer to: I/O Test Water Level /External Tank Display Screen.
C533: Heatup Mode C534: Sterilize Mode C53X: XXXX MODE STEAM TEMP LOW ITEMS NOT STERILE TURN POWER OFF/ON During heatup mode, sterilization mode is not reached within 15 minutes. During Sterilization Mode, steam temperature drops to a point less than or equal to the set point chosen during Select Cycle Mode. Low water in reservoir Check water level in reservoir. Fill reservoir with distilled water.
Low water in reservoir not caught by a C23x error. Refer to: I/O Test Water Level / External Tank Display Screen. Replace water level sensor.
Water pump not primed. Refer to: Water pump priming instructions. Prime water pump.
Steam leakage. Refer to: Five point leak check. Repair steam leak.
Chamber temperature sensor not functioning properly. Refer to: Temperature Sensor Resistance Test. Clean or replace chamber temperature sensor.
Boiler temperature sensor not functioning properly. Refer to: Temperature Sensor Resistance Test. Replace boiler temperature sensor.
Boiler not functioning properly. Refer to: Service Diagnostics Boiler Test. Replace boiler if necessary.
PC Board is not processing temperature input(s) properly. Verify boiler and chamber temperature sensors are working properly. Replace PC board if necessary.

 

(page 2, 3)

Powered By OpenCart
Sterilizer Autoclave Solutions © 2017