Emerson COPELAND ZX Series - Alarm Codes and Diagnostics; Alarm Levels and Hardware Errors

23
Alarm Codes
Level Descriptions
Warning
Unit (including compressor) is running but some data reach
unsafe area; alarm dry-contact will not close; reset automatically
Alarm
Unit (including compressor) may run not with full functions; alarm dry-contact will not close; reset
automatically
Lock Unit (including compressor) stops working; alarm dry-contact will close; manual reset is needed
Diagnostics
Alarm
Code
Description Possible Reason Action Reset
Hardware error
E01
Suction pressure probe
failure alarm
Probe failure or out of range No (ZXD Unit Only)
Automatic Reset when the
probe restarts working
E02
Condensing temperature
probe failure alarm
Probe failure or out of range
(-40 ~ 110°C)
Function: fan speed
control is disabled
Automatic Reset when the
probe restarts working
E03
Discharge temperature
probe failure alarm
Probe failure or out of range
(-40 ~ 180°C)
Function: discharge temperature
protection is disabled
Automatic Reset when the
probe restarts working
E04
PHE vapor inlet temperature
probe failure alarm
Probe failure or out of range
(-40 ~ 110°C)
Function: PHE Superheat Control
is disabled(ZXL unit only)
Automatic Reset when the
probe restarts working
E05
PHE vapor outlet tempera-
ture probe failure alarm
Probe failure or out of range
(-40 ~ 110°C)
Function: PHE Superheat Control
is disabled(ZXL unit only)
Automatic Reset when the
probe restarts working
E06
Ambient temperature probe
failure alarm
Probe failure or out of range
(-40 ~ 110°C)
Related functions are disabled
Automatic Reset when the
probe restarts working
E09 Current sensor 1 error alarm Out of range Related functions are disabled
Automatic Reset when the
probe restarts working
E10 Current sensor 2 error alarm Out of range Related functions are disabled
Automatic Reset when the
probe restarts working
E11 Voltage sensor 1 error alarm Out of range Related functions are disabled
Automatic Reset when the
probe restarts working
E12 Voltage sensor 2 error alarm Out of range Related functions are disabled
Automatic Reset when the
probe restarts working
E13 Voltage sensor 3 error alarm Out of range Related functions are disabled
Automatic Reset when the
probe restarts working
2
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