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ENGLISH
List of alarms which may occur:
ALARM
DESCRIPTION CAUSE SOLUTION
Pr1 Cell probe error • Cell probe fails • Replace probe
Pr2 Evaporator probe error • Evaporator probe fails • Replace probe
Pr3 Condenser probe error • Disabled • Disabled
Pr4 Humidity probe error • Humidity probe is faulty • Replace the probe
AH
Maximum temperature
alarm
• Cell probe is faulty
• Control unit is faulty
• Cooling system is faulty
• Service
• Service
• Service
PD
Poup-Down
compressor alarm
• Disabled • Disabled
CSd Blocked Compressor alarm • Disabled • Disabled
COH Blocked Compressor alarm • Disabled • Disabled
rtc Internal clock error
• The device has not worked
for a long period
• Control unit is faulty
• Switch on the device
and set the date again
• Service
CtH
Compressor thermal
protector
• Disabled • Disabled
ErC
No compatibility between
interface and control modu-
• Firmware of setting - instrument
is not compatible
• Service
ErL
No communication between
interface and control module
• Interface connection is either
incorrect or faulty
• Check proper
connection
PF
Interruption of power supply
to the machine
• Power failure may have
occurred
• Press any key to cancel
the alarm
id Open door alarm
• The door has been kept open
• Close the door
HP High pressure alarm • Disabled • Disabled
LP Low pressure alarm • Disabled • Disabled
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