MN-35947
•
Rev 15
•
01/18
•
Combitherm® CT PROformance™ and CT Classic Series Installation Manual
•
77
Troubleshooting – Error Codes
Error
Code
Error Call Out in Display
Description of Error
possible Cause(s)
e88
Lower Gas Ignition Failure
NOTE: If aft er 2 attempts
to clear this error, the error
appears a third time, remove
the oven from service and
immediately contact an
Alto-Shaam authorized service
provider.
Reset output from Ignition Module is ON – Hot surface ignitor not functioning.
– No gas supply.
– Flame sensor not functioning.
– Faulty ignition control.
e89
Upper Gas Ignition Failure
NOTE: If aft er 2 attempts
to clear this error, the error
appears a third time, remove
the oven from service and
immediately contact an
Alto-Shaam authorized service
provider.
Reset output from Ignition Module is ON – Hot surface ignitor not functioning.
– No gas supply.
– Flame sensor not functioning.
– Faulty ignition control.
E90
Lower Gas Combustion Blower
Not at Speed
Speed is too slow.
– Power supply cable is not connected to blower motor.
– Speed control cable is not connected to blower motor.
– Blower motor is blocked, rotation is impeded, or motor is
faulty.
– Faulty control board.
E91
Upper Gas Blower Not at
Speed
Speed is to slow.
– Power supply cable is not connected to blower motor
– Speed control cable is not connected to blower motor
– Blower motor is blocked, rotation is impeded, or motor is
faulty
– Faulty control board
E92
Communication Error
CB does not properly respond
Twelve (12) instances of no-response
from the relay board (CB) to the display
board (IB).
– Check CAN cable connections.
– CAN cable defective.
– Relay board, low voltage, connector defective.
– Display board connector defective.
E93
Interface Board (IB) and
Control Board (CB) are in
diff erent states
The IB is in a diff erent running state
than the CB for more than 20 seconds.
– Check CAN cable connections.
– CAN cable defective.
– Relay board, low voltage, connector defective.
– Display board connector defective.
E94
Communication Error,
TO Interface Board
No signal transfer for more than 20
seconds between the Interface Board
(IB) and the Control Board (CB).
– Check CAN cable connections.
– CAN cable defective.
– Relay board, low voltage, connector defective.
– Display board connector defective.
E100
One or more maintenance
reminder has timed out.
When any maintenance reminder has
expired without action having been
taken by the operator.
– Enter maintenance reminder screen and address the item
that has timed out and reset
E101
Ventless Hood Fault - No
Pressure
If the power switch or pressure switch is
not closed.
– Check power switch is on.
– Check vent motor is turning in the proper direction.
– Pressure switch is miss wired or defective.
– Filter(s) require cleaning or replacement
E102
Ventless Hood Fault – Filters
Not Present
If the air filter switches are not closed.
– Check filters are installed and properly seated.
– Check filter switches are not damaged, defective or
dislodged.
E103
Option Board Doesn’t Send
Switch Setting
OB not communicating its switch
settings to the CB.
– Check CAN cable connection between OB and CB.
– Ensure CB dip switch is set to see an OB.
– Incompatible OB and CB soft ware (update soft ware).
– OB defective.
– CB defective.
E104
Option Board Not
Communicating
Option board is not communicating
with CB.
– Check option board CAN connection at CB and OB.
– Defective OB.
– Defective CB.
E105
No or Low Water Pressure
Water pressure switch not activated.
– Water supply not connected.
– Water supply is shut off .
– Water supply to unit blocked or obstructed
– Faulty or miswired pressure switch
Error
Code
Error Call Out in Display
Description of Error
possible Cause(s)
E106
Boiler Drain Pump Fault
Hall eff ect or rotational sensor is not
sending a signal to the relay board
– Drain pump motor not running or defective.
– Hall eff ect sensor broken or incorrectly wired.
– Motor improperly wired.
E108
Cooling Fan Failure
If the temperature on the control board
(relay board) is greater than 140ºF
(60ºC) and less than 176ºF (80ºC). (See
error code E02)
– 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.
E109
High Limit Switch
NOTE: Any oven experiencing
this error should be
investigated by an authorized
Alto-Shaam service provider.
The High Limit Switch input to the CB
(N7) is “open”
– 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.
E200
The SD card has been
detected to be larger than
2GB in size.
The SD card inserted is larger than 2GB
in size.
– SD card is larger than 2GB in size. Contact service to order
replacement SD card.
E210
VFD Under Voltage
VFD has detected an under-voltage
situation.
– Possible VFD failure.
E211
VFD Over Voltage
VFD has detected an over-voltage
situation.
– Possible VFD failure.
E212
VFD Overheating
VFD has detected an overheat
situation.
– Unit has experienced an over heat condition.
– Defective high limit switch.
– Defective cooling fans.
– Possible VFD failure.
E213
Motor Over Current
Motor over current detected.
– Blocked fan wheel.
– Possible VFD failure.
E214
VFD Current Peak
VFD current peak detected.
– Possible VFD failure.
E215
VFD EEPROM Error
VFD EEPROM error detected.
– Possible VFD failure.
E216
VFD Over Current
VFD over current detected.
– Possible VFD failure.
E217
VFD Short Circuit
VFD Short Circuit detected.
– Possible VFD failure.
E218
VFD Voltage Error
VFD voltage does not correspond to
jumper settings.
– VFD voltage jumper is not correct.
– Possible VFD failure.
E220
Lower VFD Under Voltage
Lower VFD has detected an under-
voltage situation.
– Possible Lower VFD failure.
E221
Lower VFD Over Voltage
Lower VFD has detected an over-
voltage situation.
– Possible Lower VFD failure.
E222
Lower VFD Overheating
Lower VFD has detected an overheat
situation.
– Unit has experienced an over heat condition.
– Defective high limit switch.
– Defective cooling fans.
– Possible Lower VFD failure.
E223
Lower Motor Over Current
Lower Motor over current detected.
– Possible Lower VFD failure.
E224
Lower VFD Current Peak
Lower VFD current peak detected.
– Possible Lower VFD failure.
E225
Lower VFD EEPROM Error
Lower VFD EEPROM Error detected.
– Possible Lower VFD failure.
E226
Lower VFD Over Current
Lower VFD over current detected.
– Possible Lower VFD failure.
E227
Lower VFD Short Circuit
Lower VFD short circuit detected.
– Possible Lower VFD failure.
E228
Lower VFD Voltage Error
Lower VFD voltage does not
correspond to jumper settings.
– Lower VFD voltage jumper is not correct.
– Possible Lower VFD failure.
E289
Unknown Error from VFD
VFD has provided an unknown error.
– Possible VFD failure.
E290
Unknown Error from Lower
VFD
Lower VFD has provided an unknown
error.
– Possible Lower VFD failure.
Содержание CT CLASSIC CTC10-10E
Страница 31: ...MN 35947 Rev 15 01 18 Combitherm CT PROformance and CT Classic Series Installation Manual 31 ...
Страница 80: ......