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Pfannenberg 6201C Instrucciones De Servicio página 74

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Error messages
The error numbers are not displayed for units with standard controllers: With the ECoolPLANT software error
numbers can be read on the computer.
 The blinking of the red LED light on the controller circuit board is not a fault indicator or error message. The red
LED light indicates that voltage is supplied to the cooling unit.
Error
Fault
no.
Er00
• LED:
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
• Fault signal contact:
Er01
• LED:
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
Fault signal contact:
Er04
• LED:
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
Fault signal contact:
Er05
• LED:
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• External heating:
Fault signal contact:
Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014c © Pfannenberg GmbH
Unit activity
Possible causes
• Door contact:
Blinking
• The door contact loop has
OFF
been interrupted.
OFF
OFF
OFF
Closed
• Pressostat tripped:
Blinking
• Excessively high pressure
OFF
has built up in the
ON
refrigerant circuit. The
cooling unit cannot
ON
dissipate the heat from the
OFF
refrigerant circuit.
Open
• Phase sequence / phase
Blinking
OFF
loss:
• Failure of at least one
OFF
phase or phase sequence
is incorrect (only with
OFF
alternating current units
OFF
with rotating piston
Open
compressors).
• Sensor 1 (TS1) defective.  Replace Sensor 1 or the
Blinking
ON
ON
ON
OFF
Open
Corrective measures
 Close door.
 Connect door contact
switch.
 Bypass door contact.
 Check wiring.
 Allow the unit to cool
down.
 Clean the heat
exchanger fins
(internal/external).
 Check condenser fan
(external) for function.
 Check the field of
rotation - (clockwise
rotation is required).
 All phases must carry
rated operational
voltage.
controller circuit board
according to the unit
type.
 Replace controller circuit
board if the sensor is
soldered in place.
Page 31 / 43

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