Alto-Shaam COMBITHERM CTC Series User Manual

92 • MN-35949 • Rev 04 • 06/16 • Combitherm® CT PROformance™ Series • Technical Service Manual
Troubleshooting
PROformance: Fan Motor Temperatures E53 and E54
E53 = Single/Upper Fan Motor High Limit / E54 = Lower Fan Motor High Limit
Is the fan spinning?
Yes
Yes
Yes
Yes
Yes
Yes
Is the motor wiring to
the Variable Frequency Drive (VFD)
secure?
Secure the
wiring.
Replace the
fan wheel.
Unlock the fan wheel.
The root cause of overheating must
be determined - call Alto-Shaam
Service for assistance.
The root cause of overheating must
be determined - call Alto-Shaam
Service for assistance.
Replace the motor.
Replace the motor.
Is the motor high-limit
wiring to the Variable Frequency
Drive (VFD) secure?
Is the fan wheel locked?
Is there continuity between the
motor and the thermal protection
switch?
Is the fan wheel damaged?
No
No
No
No
No
No
No
Is there continuity between the
motor and the thermal protection
switch?
Yes
Secure the wiring
and retest.

Alto-Shaam COMBITHERM CTC Series Specifications

General

Brand	Alto-Shaam
Model	COMBITHERM CTC Series
Category	Oven
Language	English