Pfannenberg DTS 6401-Seire Betriebsanleitung Seite 124

ENG
Error no. Fault/unit behavior
Er08 LED:
Compressor:
Evaporator fan (internal):
Condenser fan (external):
Fault signal contact::
Er15 LED:
Compressor:
Evaporator fan (internal):
Condenser fan (external):
Fault signal contact::
Tab. 13: Possible error messages (continued)
Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 230 V | 086100119
Possible causes
flashes Sensor 2 (TS2) defective.
ON
ON
ON
Open
flashes Antifreeze (option):
Antifreeze-Sensor ≤ 1°C.
OFF
Safety cut-out because the
OFF
evaporator is threatening to
ice up.
OFF
Open
Remedial measures
Replace sensor 2 according
to the unit type.
Sensor 2 is plugged to the
card, not permanently
soldered.
Restart operation after
condensate has
evaporated.
A restart is only possible by
disconnecting and
reconnecting the mains
voltage.
No other reset is provided
for safety reasons.
Clean the fins of the heat
exchanger
(internal/external). Check
switch cabinet for leakages.
Select a higher switch
cabinet temperature
setpoint.
Check the evaporator fan
(internal) function.
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