16
A
A
A
A
A
A D
6. ALARMS
The SSD90 is equipped with a self check system
which allows the checking of the thermostat opera-
tion. There is also a built-in alarm system, should
the alarm be activated the control unit switches on
the relevant relay and audible alarm (buzzer), the
display with then flash either “hI” or “LO”.
HI high alarm temperature in the cabinet.
By pressing button “A”, the buzzer can be
muted. If the alarm persists, it will reactivate
for
20 seconds in every hour, until the alarmends
(however the display indications and the relay
remain on). The audible warning re-triggering
applies to all alarms with the exception of the
condenser cleaning display.
LO low alarm temperature in the cabinet
Should you want to change these temperature alarm
limits or the time delay, please contact your dealer
or service company.
OTHER MALFUNCTION DISPLAYS
E1 T1 probe fault
(contact service provider)
E2 T2 probe fault (only DF-models)
(contact service provider)
DO Door left open
(close door)
CLN Condenser periodic cleaning warning.
This function is to remind the operator to clean
the condensor and is activated after calculating
the compressor running time.
When activated:
• press button “D” and put the cabinet on to
standby
• check the condenser which is on the top of the
cabinet - using safety steps - if cleaning is
required, use a soft brush and/or vacuum
cleaner to clean the condenser.
If not dirty, proceed to switch on and clear
“CLN” from the display.
IF YOU ARE UNSURE OR DO NOT FEEL
COMPETENT, CONTACT YOUR SERVICE AGENT
TO DO THIS SERVICE FOR YOU.
• switch unit back on by pressing button “D”
• to clear “CLN” from display press buttons “A”
and “D” simultaneously for 3 seconds.
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