Pfannenberg DTI 6X2E Instructions D'utilisation page 72

GB
Error messages
Error
Fault
no.
• LED:
Er15
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
• Fault signal contact:
• LED:
Er16
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
• Fault signal contact:
• LED:
Er22
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
• Fault signal contact:
Operating Manual DTS and DTI 6X2E Premium Controller X-Series (XC) 086100099e © Pfannenberg GmbH
Unit activity Possible causes
• Antifreeze (optional):
Blinking
• Antifreeze sensor ≤ 1°C.
0%
• Safety shut-off, because
0%
there is a risk of icing of
the compressor.
0%
According to
regulation
Open
• Sensor 4 (TS4) defect.
Blinking
According to
regulation
According to
regulation
100% , if
compressor 100%
0%
Open
• Overload relay has
Blinking
0%
tripped: Inverter or
compressor defective
100%
0%
0%
Open
Corrective measures
▪ Restart after
accumulating
condensate water has
evaporated.
 A restart is only possible
with disconnection and
re-connection of the
mains voltage.
▪ For safety reasons, there
is no other means of
resetting.
▪ Clean the heat
exchanger fins
(internal/external).
Inspect the switch
cabinet for leaks.
▪ Select higher switch
cabinet-
Select temperature
setpoint.
▪ Function of the
evaporator fan
▪ Replace Sensor 4 or the
(internal).
controller circuit board
according to the unit
type.
▪ Allow the unit to cool
down.
▪ Reset the overload relay.
▪ Call service.
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