PL - DORA METAL Spółka z o.o.
1.7. Defrosting.
During operation of the device at regular intervals the symbol appears on the display to notify that the device
is operating in cooler defrosting mode. The defrosting cycle and its duration is factory pre-set and user
cannot modify this parameter. If additional defrosting of cooler is needed, caused by difficult operating
conditions of the device:
- press and hold
for 4 sec. If temperature detected by evaporator sensors is higher than
defrosting end temperature, defrosting will not start.
1.8. Lighting (only for some devices with EV3294N9 controller).
To start cabinet lighting, press
.
Caution! If lighting is switched on manually, it will
NOT
turn off automatically. To turn off the lighting, press
the above button.
1.9. Meaning of displayed messages.
MESSAGE
MEANING
Loc
Keypad is locked
- - -
Unable to perform operation
ALARM
MEANING
Low temperature alarm
Solution: check chamber temperature and parameter
Operation: device continues normal operation
High temperature alarm
Solution: check chamber temperature and parameter
Operation: device continues normal operation
Door digital input alarm
Solution: close the door
Operation: device continues normal operation
Defrosting alarm (maximum defrosting duration time-out)
Solution:
• check connection of evaporator sensor to controller and cables
• press any button to clear the alarm
Operation:
• device continues normal operation
Chamber sensor fault
Solution:
• check connection of the sensor to controller and cables and chamber temperature
Operation:
• compressor on (operation time) will depend on factory-set parameters
• defrosting will not start
Evaporator sensor fault
Solution:
• check connection of the sensor to controller and cables and evaporator temperature
Operation:
• defrosting time will equal time in factory-set parameter
Pr2
AL
AH
id
dFd
Pr1
2.0. Alarm tone.
To stop alarm tone, press any button on the controller keypad.
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Upright refrigerators and freezers