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1143W24E4.00 · EV3 200 Web
03/2021
| 45 |
10. DIAGNOSTICS
Thetablebelowlistsalarmswiththeircorrespondingsolutions.Tosignalanalarm,theLEDalarmlightsup
and the buzzer
sounds.EveryalarmisrecordedintheAlarmmenu.
10.1 TABLE OF ALARMS
Code
Description
Cause
Effects
Resolution
Pr1
Probe error
•
Probenotworking
• Probe incorrectly
connected
• Incorrect type of probe
• Code Pr1 displayed
•
AlarmoutputON
• Compressor regulated according
to C4 and C5
• Defrost suspended
•
Checkthetypeofprobe(
PO)
•
Checkprobewiring
• Change type of probe
Pr2
• Code Pr2 displayed
•
AlarmoutputON
• If P4
=1,defrostactivefortime
d3
Pr3
• Code Pr3 displayed
• No effect on regulation
rtc
Clockalarm
Clock(RTC)alarmnot
working
Clock-connectedfunctionsnot
present or not synchronised with
the actual time
Set the right time.
Iftheerrorpersists,replacethe
device (RTC battery dead)
AL
Lowtemperature
alarm Pb1
Temperature Pb1 > A1 for
a time equal to A7
• Code AL displayed
• No effect on regulation
Wait until the temperature read by
Pb1 goes below the alarm threshold
(A1-A11)
AH
High
temperature
alarm Pb1
Temperature Pb1 > A4 for
a time equal to A7
• Code AH displayed
• No effect on regulation
Wait until the temperature read by
Pb1 goes above the alarm threshold
(A4+A11)
id
Door open alarm
Digital input activated for
a time > i2
• Code id displayed
•
Regulatorsblockeddependingon
the current function in iC1
=7,8
or 9
• If i2 = -1 the alarm is disabled;
•
Check
i2 and iP1
PF
Power failure
alarm
Power failure for longer
than A10
Code PF is recorded
Checkthepowersupplywiring
COH
Condenser
overheat signal
Condenser temperature
> C6
• Code COH displayed
• No effect on regulation
Check
C6
CSd
High
condensation
alarm
Condenser temperature >
C7 for a time equal to C8
• Code CSd displayed
•
Compressorlocked
• Switch the device off then on again;
•
Check
C7 and C8
iA
Multi-purpose
input alarm
Digital input activated
(iC1 = 2) for a time equal
to i5
• Code iA displayed
• No effect on regulation
Check
i5 and i6
CtH
Compressor
thermal switch
alarm
Digital input activated
(iC1 = 5)
The regulator counts the number of
eventsi8inthetimei7fromthefirst
one
• If i7 = 0 alarm is always
automatically reset
• Ch
eck
i5 and i6
th
Thermal switch
global alarm
Digital input activated
(iC1 = 5)
The regulator counts the number of
eventsi8inthetimei7fromthefirst
one
• Switch the device off then on again;
•
Check
i5 and i6
dFd
Defrost timeout
alarm
Defrost terminated due
to timeout and not to
reaching temperature d2
• Code dFd displayed
• No effect on regulation
•
Touchanykey
•
Check
d2
,
d3 and d11