Alarm Table - Mitsubishi Electric Climaveneta i-BX-004-013M Installation, Operation And Service Manual

MAINTENANCE AND SERVICE

ALARM TABLE

Alarm code
A001 BT1 System heat exchanger water inlet temperature probe
A002 BT2 System heat exchanger water outlet temperature probe
A003 BT8 DHW storage temperature probe
A004 BT7 Outside air temperature probe for unit management
A005 BT9 Storage tank temperature probe
A006 BT10 Temperature water outlet probe for mixed zone
A007 BP1 High pressure transducer
A010 BT5 Compressor suction temperature probe
A011 BT6 Compressor discharge temperature probe
A012 BP2 Low pressure transducer
A014 High pressure measured by transducer BP1
A015 Low pressure measured by transducer BP2
A016 Compressor discharge temperature out of limits
A017 Inverter start failure
A018 Inverter start failure
A019 Difference between low and high pressure in refrigerant circuit too low
A020 Compressor circuit breaker tripped
A022 Operation outside of limits
A025 System flow switch F4
A029 Fan circuit breaker tripped
A030 Compressor operating hours reached
A033 System pump operating hours reached
A035 Mixed zone pump operating hours reached
A036 Fan operating hours reached
A038 System heat exchanger frost prevention alarm
A039 Maximum mixed circuit temperature reached
A040 Minimum mixed circuit temperature reached
A041 DHW storage temperature too high
A042 Inside frost prevention alarm
A045 Outside air temperature probe
A047
A048
A049
A050 Thermostatic valve driver
A051
A052
A053
A054 Legionella prevention alarm
A055 Temperature probe N-THC n.1
A056 Address setting error on remote terminal supplied with the unit
A057 Address setting error on expansion module 1
A058 Temperature probe in low temperature zone LT1, expansion 1
A059 Temperature probe B2 (not used), expansion 1
A060 Temperature probe B3 (not used), expansion 1
A061 Temperature probe B4 (not used), expansion 1
A063 Address setting error on expansion module 2
A064 Temperature probe in low temperature zone LT2, expansion 2
A065 Temperature probe B2 (not used), expansion 2
A066 Temperature probe B3 (not used), expansion 2
A067 Temperature probe B4 (not used), expansion 2
A069 Address setting error on expansion module 3
A070 Temperature probe in low temperature zone LT3, expansion 3
A071 Temperature probe B2 (not used), expansion 3
A072 Temperature probe B3 (not used), expansion 3
A073 Temperature probe B4 (not used), expansion 3
A075 Water temperature too high in mixed circuit, expansion module 1
A077 Water temperature too high in mixed circuit, expansion module 2
A094 End defrost due to maximum time
A095 Temperature probe N-THC n.2
A096 Address setting error on zone remote terminal
Cause Solution
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Transducer faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Transducer faulty or disconnected
Check connection wiring
Check refrigerant circuit pressure
Check refrigerant charge
Make sure outside air temperature and water tempera-
ture set point are inside the specified operating limits
Make sure filters are clean
Check water flow
Check for air in the system
Scheduled maintenance
Scheduled maintenance
Scheduled maintenance
Scheduled maintenance
Scheduled maintenance
Check mixing valve
Verify parameter value
Check mixing valve
Verify parameter value
Check connections
Faulty probes, replace terminal
Contact service centre
Check connections
Probe faulty or disconnected
Check connections
Check address
Check connections
Check address, must be 1
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Check connections
Check address, must be 2
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Check connections
Check address, must be 3
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Probe faulty or disconnected
Check connections
Probe faulty or disconnected
Check connections
Check address
EN i-BX-(Y)_i-BX-N-(Y)
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