Larm Signals - Porkka C 940 Installation And Operation Manual

RESET THE ALARM SIGNAL BY PRESSING ANY BUTTON!
(EXCEPT ON/OFF)
Drying
Push the button once and the drying function of the
eventual humidity condensed on the inner surfaces starts.
During the drying function the fan and compressor of the
evaporator are on at the same time. Push the button
and the equipment will return to the normal mode.
Control of the temperatures of the temperature sensors
With Probe button ( ) you can browse the temperatures of
the sensors in use. Push the button once and the display shows
the Pb1 message and immediately after that the temperature of
the sensor. Push the button again and the temperature of the
next sensor in use will be displayed. The equipment returns to
the normal mode after 15 seconds.
Pb1 initiating probe, temperature of the evaporator air
Pb2 evaporator probe, surface temperature of evaporator
(not in chiller cabinets C)
Pb3 condenser probe, surface temperature of condenser
Pb4 control probe, air temperature (in case the cabinet has
an additional probe Pb4 the value is displayed)
ALARM SIGNALS
CODE REASON
"HA" High temperature alarm.
Equipment has detected high temperature i.e.
warm foods have been placed in equipment door
left open etc. The alarm will automatically stop
when temperature recovers to set temperature or
defrost is initiated.
"LA" Low temperature alarm
Check that the products within the equipment are
at the required temperature. Move products if
necessary to back up storage. Initiate manual
defrost (see manual defrost), If alarm continues
silence buzzer relay and contact your authorised
service dealer immediately.
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