7.
Fault indication and analysis:
Fault
display
Nature of fault
Cause
Remedy
Unit's
operation
Red color conti-
Hi-pressure
in
re-
Ambient temperature too high
Unit's specified range of application exceed
Automatically
shut
of
f
nuously blink
frigerant
system
Condenser
contaminated
Clean
Filter mat contaminated
Clean
or
replace
Condenser fan defective
Replace
No signal
Unit not operate
Control
panel
switch
off
Switch on the control panel
Unit not operate
No voltage supply
Supply new line power
Breaker's
tripped
Replace or switch on
Under
voltage
Check line voltage connection
Internal fuse has broken
Carry out of cooling service
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