Service manual

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Electronic Control Troubleshooting
E rr
Coin Error Invalid coin pulse or inoperative coin sensor. Check coin
drop area and remove obstructions. If error persists,
tampering may have occurred. Evaluate security
procedures.
E oP
(models
equipped
with heater)
Open Thermistor Error Thermistor circuit opens while heating. Heater will turn
off and cycle will continue.
E SH
(models
equipped
with heater)
Shorted Thermistor Error Thermistor circuit is shorted while heating. Heater will
turn off and cycle will continue.
E Ht
(models
equipped
with heater)
Heater Error Programmed temperature hasn’t been reached in more
than two hours. Cycle will continue with heater off.
Display Description
Cause/
Corrective Action
Table 3