Pfannenberg 6201C Instrucciones De Servicio página 75

GB
Error messages
Error
Fault
no.
Er06 • LED:
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
• Fault signal contact:
Er07 • LED:
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
• Fault signal contact:
Er08 • LED:
• Compressor:
• Evaporator fan
(internal):
• Condenser fan
(external):
• Heater (external):
• Fault signal contact:
Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014c © Pfannenberg GmbH
Unit activity Possible causes
• Sensor 1 Minimum:
Blinking
• Minimum switch cabinet
OFF
temperature value "Lit_"
ON
(LCD) is reached
or exceeded.
ON
OFF
Open
• Sensor 1 Maximum:
Blinking
• The maximum value of the
ON
switch cabinet
ON
temperature "Lit¯" (LCD)
has been reached or
ON
exceeded.
• The cooling unit cannot
OFF
Open
sufficiently cool the air in
the switch cabinet.
• Sensor 2 (TS2) defective.  Replace Sensor 2 or the
Blinking
ON
ON
ON
OFF
Open
Corrective measures
 Select higher switch
cabinet
temperature setpoint.
 Inspect the switch
cabinet for leaks.
 Move components near
the air inlet and outlet
further away in order to
prevent an air short
circuit. (Cold air is
diverted directly to the air
inlet by components.)
 Check the settings of the
cooling unit.
 Clean the heat
exchanger fins
(internal/external).
 Check evaporator fan
(internally) for
functionality.
 Check the refrigeration
circuit for escaping
refrigerant or leaks.
 If necessary, install a
cooling unit with a higher
cooling capacity.
controller circuit board
according to the unit
type.
 Sensor 2 is plugged into
the circuit board, not
permanently soldered in
place.
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