Page No. 33-GB 10 - 10.2 We reserve the right to make technical changes!
10. Faults (SD Control)
A fault code appears in the display with a fault
occurrence.
The fault reporting relay falls off if the unit is not in coo-
ling mode and not in defrosting mode. A relaying of the
report is possible via the potential-free contact.
10.1. Fault codes (SD Control)
see Operation of the SD Control 8.3 Fault reports
10.2. Emergency operation (SD Control)
Continued operation of the Refrigeration unit with a failu-
re or fault is possible in Emergency operation.
The Emergency operation switch is located on the lower
side of the Control unit below the key [ ].
Attention!
The mains plug must be removed from the socket and
protected against re-insertion.
The switch can be actuated after removal of the front
plate.
For this, loosen the locking screws (4 ea.) on the front
cover. Be careful to ensure that the serrated lock washers
are not displaced.
Slide the front access cover slightly upwards and pull for-
ward to remove.
An opening is located on the lower side of the Control
unit housing, through which the switch can be reached.
In order to switch Emergency operation on, this switch
should be positioned to the right; position it to the left to
switch it off.
By actuation of this switch, the outlet relays for the com-
pressor and the fans will be activated directly. The unit
will go into continuous operation. The function of the
Pressostat as a safety device is maintained. When swit-
ching on Emergency operation, fault code “F10” appears
in the display.
In the event that the Control unit is in Standby mode,
“OFF” appears in the display.
The Emergency operation must be monitored, as the
coldroom temperature is not regulated and the auto-
matic defrosting is not in operation. The coldroom tem-
perature must be regulated manually by intermittent
interruption of the electrical supply to the unit.
Remount the front access cover, securing it to the unit
with the enclosed sheet-metal screws ST 3.9 x 19 and
serrated lock washers A 4.3.
Re-insert the mains plug in the socket outlet.
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