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49
CS
SYMPTOMS
LIGHTS ON
PROBABLE CAUSE
POSSIBLE REMEDIES
A
None
Power supply, missing
L1 fuse open
Provide power supply, replace
L1 fuse
Power supply
light
Too high humidity set
Set a lower humidity set point
Power supply
Light, Request
Light
Electronic board
defective, Fan
defective
Replace defective board, replace
Fan
Unit does not start
and alarm red light is
OFF
Power supply
Light, Request
Light,
Compressor Light
Compressor defective,
fan defective
Let the compressor cool down,
replace defective compressor,
replace defective fan
SYMPTOMS
LIGHTS ON
PROBABLE CAUSE
POSSIBLE REMEDIES
B
Power supply
Light, Request
Light,
Compressor Light
Compressor defective
Let the compressor cool down,
replace defective compressor
Fan starts,
compressor does not
start, but red alarm
is OFF
Power supply
Light, Request
Light
Electronic board
defective
Replace defective board