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Controller Error
Error
List of Errors
Code
CH100017 Fire Detection (Smoke Detector)
CH10002 Emergency Stop Detection
CH10003 HMI Communication Error
CH10004 BMS Communication Error
CH10011 Ventilation Temperature Sensor Error
CH10013 Ventilation Flow Sensor Error
CH10016 Miswired Ventilation Temperature Sensor
CH10017 Miswired Ventilation/Humidity Sensor
CH10018 Miswired Ventilation Flow Sensor
CH10021 Supply Temperature Sensor Error
CH10023 Supply Flow Sensor Error
CH10026 Miswired Supply Temperature Sensor
CH10027 Miswired Supply Humidity Sensor
CH10028 Miswired Flow Humidity Sensor
CH10031 Outdoor Unit Temperature Sensor Error
CH10034 Outdoor Damper Feedback Error
CH10036 Miswired Outdoor Unit Temperature Sensor
CH10037 Miswired Outdoor Unit Humidity Sensor
CH10041 Mix Temperature Sensor Error
CH10044 Mix Temperature Damper Feedback Error
CH10046 Miswiring of Mix Temperature Sensor
CH10054 Exhaust Damper Feedback Error
CH10061 Differential Sensor Error
CH10062 Static Pressure Sensor Error
CH10063 CO2 Sensor Error
CH10071 Filter Exchange Alarm
CH10072 Filter Exchange Error
IO #1 Communication Error between Mod-
CH10101
ules
CH10111 IO #2 Module Communication
COM #1 Communication Error between
CH10501
Modules
COM #2 Communication Error between
CH10511
Modules
CH11002 ODU1 Indoor Sensor (Inlet Pipe) Error
ODU1 Communication Error (Indoor Unit ↔
CH11005
Outdoor Unit)
CH11006 ODU1 Indoor Sensor (Outlet Pipe) Error
ODU1 Communication Error between Central
CH11255
Controls
CH11XXX ODU1 Displays outdoor unit error code
Error
Level
The point of contact for fire detection is shorted (Displays the error and runs in HMI Smoke
1
Detection settings.)
The emergency stop for emergency stop is shorted (Displays the error and shuts down all
2
the activities.)
2
Unable to receive the communication signal from the HMI for more than 30 seconds.
2
Unable to receive the communication signal from the BMS for more than 30 seconds.
2
The ventilation temperature sensor is disconnected/short circuited.
The ventilation flow sensor is disconnected/short circuited. (Error is identified 5 minutes
2
after the unit is turned on.)
2
Miswiring between ventilation temperature sensor power supply and signal cable
3
Miswiring between ventilation humidity sensor power supply and signal cable
2
Miswiring between ventilation flow sensor power supply and signal cable
2
The supply temperature sensor is disconnected/short circuited.
The supply flow sensor is disconnected/short circuited. (Error is identified 5 minutes after
2
the unit is turned on.)
2
Miswiring between supply temperature sensor power supply and signal cable
3
Miswiring between supply humidity sensor power supply and signal cable
2
Miswiring between supply flow sensor power supply and signal cable
2
The outdoor unit temperature sensor is disconnected/short circuited.
The difference between the desired outdoor unit damper angle is over ±10 % (Identified as
3
an error 3 minutes after changing the angle.)
2
Miswiring between outdoor unit temperature sensor power supply and signal cable
3
Miswiring between outdoor unit humidity sensor power supply and signal cable
2
The mixer temperature sensor is disconnected/short circuited.
The difference between the desired mixer damper angle is over ±10 % (Identified as an
3
error 3 minutes after changing the angle.)
2
Miswiring between mixer temperature sensor power supply and signal cable
The difference between the desired supply damper angle is over ±10 % (Identified as an
3
error 3 minutes after changing the angle.)
The differential sensor is disconnected/short circuited. (Error is identified 5 minutes after
3
the unit is turned on.)
The static pressure sensor is disconnected/short circuited. (Error is identified 5 minutes
3
after the unit is turned on.)
3
The CO2 sensor is disconnected/short circuited.
3
Exceeded the set value of the differential sensor.
2
The total run time has exceeded 300 hours after the filter replacement alarm is triggered.
2
Unable to receive the communication signal from IO #1 for more than 1 minute.
2
Unable to receive the communication signal from IO #2 for more than 1 minute.
2
Unable to receive the communication signal from COM #1 for more than 1 minute.
2
Unable to receive the communication signal from COM #2 for more than 1 minute.
2
The inlet temperature sensor of Indoor Unit #1 of COM #1 is disconnected/short circuited.
Indoor Unit #1 of COM #1 is unable to receive the communication signal from the outdoor
2
unit for more than 3 minutes.
The outlet temperature sensor of Outdoor Unit # 2 of COM #1 is disconnected/short cir-
2
cuited.
Indoor Unit #1 of COM #1 is unable to receive the Central Control communication signal for
2
more than 3 minutes. (This error occurs only when the Desired Temperature Control Stan-
dard is set to supply.)
Displays the relevant code as is when an error occurs in the outdoor unit communicating
2
with Indoor Unit #1 of COM #1.
APPENDIX
Cause
125
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