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Section 7
MDC Troubleshooting – Dryer Control
41. Error Code Listing
OP
Open Thermistor Error.
This error code indicates a physical “open” in the thermistor
circuit. Possible causes are: 1) thermistor, 2) wiring between
control and thermistor, or 3) control.
SH
Shorted Thermistor Error
This error code indicates a “short” in the thermistor circuit.
Possible causes are: 1) shorted thermistor, 2) a short in the
wiring between control and thermistor, or 3) control.
EC:19
(Card Reader
Machines)
No Card Reader
Communication
This error code indicates there is no card reader communication.
The control and the reader cannot communicate. Check reader,
control and harness.
NOTE: For all other Card Reader errors, consult the Card
Reader manufacturer.
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect all electric power to the machine and accessories before servicing.
• Close gas shut-off valve to gas dryer before servicing.
• Never start machine with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the machine is properly grounded.
• Washer motor not grounded! Disconnect electric power before servicing motor.
W502
WARNING
