Repair; Error List - Gree A Series Service Manual

7

Repair

7.1

Error List

Error Name
High-pressure protection
Low pressure protection
High discharge protection
A Series Modular-type Air-cooled (Heat Pump) Chiller
Error Source
High-pressure protection
Low pressure protection
Discharge temperature
sensor
103
Protection Logic
When the pressure is too
high or the current exceeds
the set point, the
corresponding compressor
will stop and the indicating
LED on the control panel will
light on and the error
information will be displayed
on the error log which must
be manually cleared for
normal operation of next
time.
When it is detected the low-
pressure switch of the
compressor is opened
frequently, the compressor
will be shut down
immediately. Meanwhile, the
error information will be
displayed among the error
log which must be manually
cleared for normal operation
of next time.
When it is detected that the
discharge temperature
exceeds the set point, the
compressor will be shut
down immediately.
Meanwhile, the error
information will be displayed
among the error log which
must be manually cleared for
normal operation of next
time.