ENGLISH
Cod. 710.0134.20.00 Rev06B
– 04.2016
10
TROUBLE DISPLAY
POSSIBLE CAUSE
REMEDY
W
AT
E
R IN TH
E
S
Y
S
T
E
M
Problems with cabling or with the
electronic control board.
Check the cabling and the electronic control board, if
the trouble persists, replace them.
Activation of comp
ressor’s internal
thermal protection.
Wait one hour and check again. If the fault persists:
stop dryer and call your Service Centre.
Problems with the electrical components
of the compressor.
Check the electrical components of the compressor.
Defective compressor.
Replace the compressor.
The flow rate and/or temperature of the
air entering the dryer are higher than the
nominal values.
Restore the nominal conditions.
The ambient temperature is higher than
the nominal values.
Restore the nominal conditions.
The condenser is dirty.
Clean the condenser.
The temperature control probe is
positioned improperly or faulty.
Check the probe; if the trouble persists, replace it.
Fan pressure switch defective or burned
out (if present).
Turn off the dryer and call your Service Centre
High pressure switch defective or burned
out (if present).
Turn off the dryer and call your Service Centre
Gas leakage in the refrigerating circuit.
Turn off the dryer and call your Service Centre
Defective fan.
Replace the fan.
Protection fuse burned out (if present).
Replace the fuse.
The temperature control probe is
positioned improperly or faulty.
Check the probe; if the trouble persists, replace it.
Gas leakage in the refrigerating circuit
without load.
Turn off the dryer and call your Service Centre.
The temperature control probe is
positioned improperly or faulty.
Check the probe; if the trouble persists, replace it.
Series of alarms very close to each
other.
Call your local distributor.
L
O
W
P
R
E
S
S
UR
E
I
N T
HE
L
INE
Ice formation in the evaporator.
Check the probe; if the trouble persists, replace it.
Check the electronic control board; if the trouble
persists, replace it.
Contact our Service Centre to check the gas charge.
Clog.
Check if the compressed air inlet/outlet is connected
properly.
Check if the connecting tubing is clogged; in case
proceed accordingly.
Check if any valves are closed.
Check the condition of any filter.
Air flows continuously through the
condensate drainage.
Drainage solenoid valve jammed, clean or replace it.
Verify the condensate drainage times set on the
electronic control board (C8 and C9).
Check the signal from the control board: if it is
continuous, replace the control board.
IMPORTANT
:
The temperature control probe is extremely delicate. Do not remove the probe from its position. In
case of any kind of problem, please contact your “Service Centre”
Summary of Contents for HTD AL 18
Page 2: ...1 ...
