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Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check the
following items:
• power failure
• blown fuse or tripped circuit breaker
• deenergized contactor
• faulty current toroid
• high pressure switch (HPS) trip (when auto reset HPS is
used)
Compressor Wye-Delta Starter Current Increase Failure
Alarm 132-10 — Circuit A (A1.10)
Alarm 133-10 — Circuit B (B1.10)
Criteria for Trip
— The alarm criterion is checked during
compressor start-up. This alarm will be generated if the current
in Delta mode is not more than 25% greater than the current in
Y mode within 550 ms.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check the
following items:
• power supply failure to the delta contactor
• faulty wiring to the delta contactor
• faulty CPM board
• faulty current toroid
Compressor Contactor Failure
Alarm 132-11 — Circuit A (A1.11)
Alarm 133-11 — Circuit B (B1.11)
Criteria for Trip
— The alarm criterion is checked during
compressor shut-down. This alarm will be generated if the cur-
rent is greater than 15% of the MTA on at least one phase for
10 continuous seconds.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check the
following items:
• faulty or welded contactor
• faulty wiring
• faulty CPM board
Compressor Unable to Stop Motor
Alarm 132-12 — Circuit A (A1.12)
Alarm 133-12 — Circuit B (B1.12)
Criteria for Trip
— The alarm criterion is checked during
compressor shut-down. This alarm will be generated if after
three attempts to turn off the compressor outputs and the cur-
rent is still greater than 15% of the MTA on at least one phase
for 10 continuous seconds.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check the
following items:
• faulty or welded contactor
• faulty wiring
Compressor Phase Reversal
Alarm 132-13 — Circuit A (A1.13)
Alarm 133-13 — Circuit B (B1.13)
Criteria for Trip
— The alarm criterion is checked during
compressor start-up. This alarm will be generated if the CPM
board detects a phase reversal from the current toroid.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check the
following items:
• if power supply lead at the terminal block is not operating at
the correct phase
• if power supply is crossed when going through the current
toroid
Compressor MTA Configuration Fault
Alarm 132-14 — Circuit A (A1.14)
Alarm 133-14 — Circuit B (B1.14)
Criteria for Trip
— The alarm criterion is checked whether the
compressor is ON or OFF. This alarm will be generated if the
MTA setting is out of the allowed MTA range.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check the
following items:
• incorrect MTA settings
• faulty CPM board
Compressor Configuration Switch Mismatch
Alarm 132-15 — Circuit A (A1.15)
Alarm 133-15 — Circuit B (B1.15)
Criteria for Trip
— The alarm criterion is checked whether the
compressor is ON or OFF. This alarm will be generated if
the CPM board S1 and S2 setting does not match software
configuration.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check the
following items:
• incorrect CPM board settings
• faulty CPM board
Compressor Unexpected Switch Setting Change
Alarm 132-16 — Circuit A (A1.16)
Alarm 133-16 — Circuit B (B1.16)
Criteria for Trip
— The alarm criterion is checked when the
compressor is ON. This alarm will be generated if the CPM
board S1 setting has changed.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check the
following items:
• incorrect CPM board settings
• faulty CPM board
Compressor Power on Reset
Alarm 132-17 — Circuit A (A1.17)
Alarm 133-17 — Circuit B (B1.17)
Criteria for Trip
— The alarm criterion is checked when the
compressor is ON. This alarm will be generated if the CPM
board detects a power failure.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual
Possible Causes
— If this condition is encountered, check for
power interruptions.
Compressor UL 1998 Critical Section Software Error
Alarm 132-18 — Circuit A (A1.18)
Alarm 133-18 — Circuit B (B1.18)
Criteria for Trip
— The alarm criterion is checked when the
compressor is ON. This alarm will be generated if the CPM
board detects a software error.
Action to be Taken
— The compressor will be stopped.
Reset Method
— Manual