Error Display On Two Way Communication Wired Controller - ComfortStar CZP09CD Service Manual

17.2 Error Display on Two Way Communication Wired Controller

Display LED STATUS
F0 Communication error between wired controller and indoor unit
F1 The cassette panel is abnormal
E1 Communication malfunction between indoor and outdoor units
E2 Indoor room temperature sensor (T1 ) is in open circuit or has short circuited
E3 Evaporator coil temperature sensor (T2) is in open circuit or has short circuited
Evaporator coil outlet temperature sensor T2B is in open circuit or has short
E4
circuited(for free-match units)
Outdoor ambient temperature sensor (T4 ) or condenser coil temperature sensor (T3)
E5 or compressor discharge temperature sensor (T5) is in open circuit or has short
circuited
E7 Indoor unit EEPROM parameter error
E8 Indoor fan speed is operating outside of the normal range
EA Current overload protection
Eb Inverter module (IPM) malfunction
Ed Outdoor unit malfunction
EE Water-level alarm malfunction
EF Other malfunction
For new cassette type, error display on two way communication wired controller is the same as that of
indoor display.
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