Operating Instructions
70400001
10
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Error Codes
Display
Definition
Corrective Action
OP
Open thermistor error
●
Check thermistor. Replace if inoperative.
●
Check wiring diagram between control and
thermistor. Refer to wiring diagram for proper
wiring.
●
Check control. Replace if inoperative.
SH
Shorted thermistor error
●
Check thermistor. Replace if inoperative.
●
Check wiring between control and thermistor.
Refer to wiring diagram for proper wiring.
●
Check control. Replace if inoperative.
AF - 1
Airflow switch closed when cycle
started
●
Check airflow switch. Replace if inoperative.
AF - 2
Airflow switch failed to close after
cycle started
●
Check airflow switch. Replace if inoperative.
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
Summary of Contents for 25 Pound Capacity
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