Itm TM357-035 - Page 19

REFRIGERANT DRYERS OPERATOR’S MANUAL TM357-035 & TM357-074
17 1639 6907 74
Normal operations
Flashing Alarm
Notes
Possibl
e
causes
Observations
on Dryer is
working OK
n/a
H1
H1 flashing and
buzzer alarm sound
Warning icon
flashing, label
H1 flashing
Fan
control
probe
failed
 Replace
probe
LA1 LA1
flashing and
buzzer alarm sound
Warning icon
flashing, label
LA1 flashing
Fan
control
probe
failed
 Replace
probe
H2
H2 flashing and
buzzer alarm sound
Warning icon
flashing, label
H2 flashing
High
PDP

Refrigerant
leak
 Flow rate
 Temperatur
e exceeding
the limit.
LA2
LA2 flashing and
buzzer alarm sound
Warning icon
flashing, label
LA1 flashing
Low
PDP
 Expansion
valve out of
order
 Ambient
temperature
lower than
limits
HOW TO SLOVE ALARM
Press any key, can eliminate the buzzer alarm sound, but the alarm indicator light will not
disappear until after the release of the alarm.
LEGEND
ICON
DESCRIPTION
ICON
DESCRIPTION
PB1
Probe that controls the fan
PB2
Probe that measures the PDP
H2 High PDP LA2 Low PDP
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