CTP Combitherm
MN-35948
•
Rev 16
•
10/18
•
Combitherm® CT PROformance™ Series Operator’s Manual
•
77
Error
Code
Error Call Out in Display
Description of Error
Possible Cause(s)
E28
B10 - Point 3 - Core Temperature
Probe Multipoint Fault
Multipoint core temperature probe
defective or disconnected.
— B10 Multipoint Core Temperature probe defective.
— B10 Multipoint Core Temperature probe wires
disconnected.
E29
B10 - Point 4 - Core Temperature
Probe Multipoint Fault
Multipoint core temperature probe
defective or disconnected.
— B10 Multipoint Core Temperature probe defective.
— B10 Multipoint Core Temperature probe wires
disconnected.
E34
Steam Generator Drain Pump
Fault
If water level does not drop below lower
water level probe aft er three minutes
when steam generator drain pump is
activated in cleaning program.
— Calcium build up in steam generator drain pump.
— Boiler drain pump defective.
— Relay board, high voltage, defective.
— Water level probe defective.
E36
Steam Temperature High
In Steam program, cavity temperature
N6 is measuring in excess of 395ºF
(200ºC) for more than 60 seconds.
In Combination program, cavity
temperature N6 is measuring in excess of
520ºF (270ºC), for more than 60 seconds.
In Retherm program, cavity temperature
N6 is measuring in excess of 395ºF
(200ºC), for more than 60 seconds.
In Cleaning program, cavity temperature
N6 is measuring in excess of 395ºF
(200ºC), for more than 60 seconds.
— Water supply is shut off .
— Low water pressure.
— Water injection pipe, calcium build up.
— Water flow valve defect or calcium build up.
— Double water solenoid valve defective (Y1).
— Relay board, high voltage, defective.
E40
B3 Fault
B3 probe shorted to ground
— Defective or miswired probe.
E41
B4 Fault
B4 probe shorted to ground
— Defective or miswired probe.
E42
B5 Fault
B5 probe shorted to ground
— Defective or miswired probe.
E43
N6 Fault
N6 probe shorted to ground
— Defective or miswired probe.
E44
N8 Fault
N8 probe shorted to ground
— Defective or miswired probe.
E45
B10 Fault
B10 probe shorted to ground
— Defective or miswired probe.
E46
B10 - Point 1 Fault
B10 probe shorted to ground
— Defective or miswired probe.
E47
B10 - Point 2 Fault
B10 probe shorted to ground
— Defective or miswired probe.
E48
B10 - Point 3 Fault
B10 probe shorted to ground
— Defective or miswired probe.
E49
B10 - Point 4 Fault
B10 probe shorted to ground
— Defective or miswired probe.
E51
No Water In Boiler
Lower water level probe B2 is not
satisfied within 5 minutes, aft er water
solenoid valve Y1 is activated
— Water supply is shut off .
— Low water pressure.
— Boiler drain cap missing.
— Boiler drain pump defective.
— Drain pump elbow leaking.
— Water level probe has calcium build up.
— Double water solenoid valve defective (Y1).
— Relay board, high voltage, defective.
E53
Fan Motor High Temperatures
Fan motor does not spin, result in over-
heating, detected by motor coil safety
thermo element. Temperature more
than 320°F (160°C).
— Motor high limit open or wired incorrectly.
— If LED on motor control flashes, see error codes for
motor control.
— Motor or fan wheel locked.
— Fan wheel damaged.
E54
Lower Fan Motor High
Temperature
Lower fan motor does not spin, result
in over-heating, detected by motor coil
safety thermo element. Temperature
more than 320°F (160°C).
— Motor high limit open or wired incorrectly.
— If LED on motor control flashes, see error codes for
motor control.
— Motor or fan wheel locked.
— Fan wheel damaged.
Error Codes
continued on next page
