SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 Page 15
PPUH „GECO” EDITION I PRINTOUT DATE 18-04-30
8. Problems with
defrosting of the
appliance
Check:
- the value of parameters ‘d2’ and ‘c0’, ‘c1’
- the value of the 'c1' parameter depends on the 'r2' parameter setting. This is the
maximum defrost time of the device for r2 = 0. Regardless whether the evaporator
reached programmed temperature of the end of defrosting or not (parameter ‘d2’).
If this time is too short, the appliance will not defrost fully
For r2 = 1, the defrosting time is not conditioned by parameter 'd2'.
- correct fixing of the sensor to the evaporator slats.
IT MUST BE FIXED FIRMLY AND ADHERE TO THE SLATS!!!
- is the evaporator sensor fixed in the place where ice stays the longest? If
not, check the temperature on the sensor at the moment when last pieces
of ice fall from the evaporator. THIS TEMPERATURE SHOULD BE
DEFINED THEN AS PARAMETER ‘d2’
9. The appliance
does not reach the
set temperature and
does not cool
Check:
- what temperature was programmed by the user
- set values of particular parameters, in particular ‘c2’, ‘c5’, ‘d0’, ‘d1’
- item 8 – Problems with defrosting of the unit. If the unit does not defrost
itself fully, it won’t reach the programmed temperature!!!
- the method and place of fixing of the chamber sensor
- whether side panels were not uninstalled from the rack or whether moving
panes were not uninstalled from the display
- WHETHER THE UNIT STANDS IN A DRAFT OR IN SUNLIGHT!!!
- whether ventilators or air conditioning are installed on the ceiling or nearby
- cleanliness of the condenser
- temperature in the shop (each producer defines maximal operating
temperature of an appliance)
- the quantity of gas, ventilators, evaporator heater, hose that carries away
water from the evaporator
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