13
30RB
The following list describes the possible cause for each alarm code:
Diagnostic
The electronic control on the machine continuously
monitors its operation. In the event of a malfunction, it
activates a relay whose contact generates a coded alarm
TJHOBMTFOEJOH0/0''TJHOBMTUPUIFSFNPUFDPOUSPMBOE
switching on the alarm LED.
Some alarm conditions are automatically reset, others
require the intervention of the operator to search for the
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.BOVBMSFTFUUJOHPGBMBSNDPOEJUJPOT
Manual resetting of alarm conditions is performed using the
SFNPUF0/0''CVUUPOCZTJNQMZTXJUDIJOH0''BOEUIFO
0/BHBJO
or opening and closing S1 switch (see electrical
connections page 10).
WARNING:
NBOVBMSFTFUUJOHDBVTFTUIFEFöOJUJWFMPTTPG
UIFBMBSNDPEFUIFSFGPSFCFGPSFBNBOVBMSFTFUDIFDLUIF
code according to the instruction reported and remove its
cause.
/#5FNQPSBSZQPXFSTVQQMZGBJMVSFUPBVOJUJOBOBMBSN
condition does not reset the unit.
"MBSNDPEJöDBUJPO
The alarm code generated by a failure, is shown to the
operator one time only, and the unit remains in alarm status.
To have the alarm code shown again, press the ECO button
"MBSNDPEFXJUIQFSTJTUFOUBMBSNDPOEJUJPO
LED on for 1 second
LED off for 1 second
To have the alarm code shown again, press the ECO button
on the remote control.
#ZQSFTTJOHUIF0/0''CVUUPOUIFVOJUJTUVSOFE
OFF and
the alarm code is shown again. To restart the unit, remove
UIFBMBSNDBVTFBOEQSFTTUIF0/0''CVUUPOBHBJO
1 + 1 + 1=3
1
31
on the remote control.
5IFBMBSNDPEJöDBUJPOJTCBTFEPOUIFCJOBSZUXPEJHJUDPEF
X1 and X2, as follows:
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SFBDIFTUIFOVNCFSDPSSFTQPOEJOHUPUIFöSTUEJHJUBGUFSB
QBVTFPGTFDPOETTFDPOEöHVSF9TUBSUTUPøBTIBHBJO
with 1 second intervals until the number corresponding to
the second is reached (only for two-digit codes).
"MBSN
Description
Control
action
"MBSN
reset
NFUIPE
1SPCBCMFDBVTF
1
Compressor fault
Compressor
stopped
Manual
Compressor overheated
2
Leaving water temperature
probe fault
Unit
stopped
Automatic
Sensor out of range, probe wire interruption or
sensor fault
3
Entering water temperature
probe fault
Unit
stopped
Automatic
Sensor out of range, probe wire interruption or
sensor fault
5
Air temperature probe fault
Unit
stopped
Automatic
Sensor out of range, probe wire interruption or
sensor fault
6
High pressure transducer fault
Unit
stopped
Automatic
Transducer out of range, incorrect transducer
voltage transducer wire interrupted or transducer
fault
11
Low pressure transducer fault
Unit
stopped
Automatic
Transducer out of range, incorrect transducer
voltage transducer wire interrupted or transducer
fault
13
Low refrigerant pressure in the
circuit
Unit
stopped
Automatic/
Manual
-BDLPGSFGSJHFSBOUJOUIFDJSDVJUCMPDLFE
SFGSJHFSBOUöMUFSPSMPXQSFTTVSFUSBOTEVDFSGBVMU
14
High refrigerant pressure in the
circuit
Unit
stopped
Manual
Fan fault, coil obstructed, high outdoor air
temperature
15
High pressure safety switch /
reverse compressor rotation
Unit
stopped
Manual
The safety pressure switch has not been reset after
the last alarm, incorrect compressor connection
16
1MBUFFYDIBOHFSBOUJGSFF[F
protection
Unit
stopped
Automatic/
Manual
Low water flow rate entering or leaving water
probe fault
21
Repeated attainment of low
suction temperature in cooling
(more than six times)
Unit
stopped
Automatic
-PXQSFTTVSFUSBOTEVDFSGBVMUPSMBDLPGSFGSJHFSBOU
in the circuit
22
Repeated attainment of high
pressure condition in cooling
(more than six times)
Unit
stopped
Automatic
High pressure transducer fault high air
temperature, high entering water temperature
26
0VUEPPSJOUFSCMPDLGBVMU
Unit
stopped
Manual
Flowswitch tripped or fault, air in the water circuit
33
Maintenance service request
Unit
stopped
Manual
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English