Alto-Shaam COMBITHERM CTC Series Operation, Maintenance, Troubleshooting, Wiring Diagrams page 59

Error Codes
Error Error Call Out in Display
Code
E105
No or Low Water Pressure
E106
Boiler Drain Pump Fault
E108
Cooling Fan Failure
E109 High Limit Switch
NOTE: Any oven experiencing
this error should be
investigated by an authorized
Alto-Shaam service provider.
E200
The SD card has been detected
to be larger than 2GB in size.
E210
VFD Under Voltage
E211
VFD Over Voltage
E212
VFD Overheating
E213
Motor Over Current
E214
VFD Current Peak
E215
VFD EEPROM Error
E216
VFD Over Current
E217
VFD Short Circuit
E218
VFD Voltage Error
M N - 3 5 9 4 9 • R e v 0 4
Description of Error
Water pressure switch not
activated.
Hall eff ect or rotational sensor is
not sending a signal to the relay
board
If the temperature on the control
board (relay board) is greater
than 140ºF (60ºC) and less than
176ºF (80ºC). (See error code
E02)
The High Limit Switch input to
the CB (N7) is "open"
The SD card inserted is larger
than 2GB in size.
VFD has detected an under-
voltage situation.
VFD has detected an over-voltage
situation.
VFD has detected an overheat
situation.
Motor over current detected.
VFD current peak detected.
VFD EEPROM error detected.
VFD over current detected.
VFD Short Circuit detected.
VFD voltage does not correspond
to jumper settings.
• 0 6 / 1 6 • C o m b i t h e r m ® C T P R O f o r m a n c e ™ S e r i e s
Possible Cause(s)
— Water supply not connected.
— Water supply is shut off .
— Water supply to unit blocked or obstructed
— Faulty or miswired pressure switch
— Drain pump motor not running or defective.
— Hall eff ect sensor broken or incorrectly wired.
— Motor improperly wired.
— Cooling fan damaged.
— Cooling fan blocked or blades have been kept from rotating.
— Incoming air temperature exceeds 100°F (38°C).
— Air inlet has become blocked.
— Unit has experienced an over heat condition.
— Convection element contactors stuck closed.
— Failed Y1 solenoid.
— Obstruction between Y1 solenoid and injection pipe.
— Improperly connected drain.
— Condensate pan clean out not closed.
— Improperly wired high limit switch at the switch or at the
CB.
— Defective high limit switch.
— SD card is larger than 2GB in size. Contact service to order
replacement SD card.
— Possible VFD failure.
— Possible VFD failure.
— Unit has experienced an over heat condition.
— Defective high limit switch.
— Defective cooling fans.
— Possible VFD failure.
— Blocked fan wheel.
— Possible VFD failure.
— Possible VFD failure.
— Possible VFD failure.
— Possible VFD failure.
— Possible VFD failure.
— VFD voltage jumper is not correct.
— Possible VFD failure.
• T e c h n i c a l S e r v i c e M a n u a l
Error Codes
continued on next page
• 5 9