Carrier Vector 1550 Error Code Quick Guide
This quick guide will provide you with information on error codes for Carrier Vector 1550 refrigeration units. We will provide you with key error codes and troubleshooting recommendations so that you can quickly and efficiently resolve any equipment issues.
Model: Carrier
Series: Vector 1550
|
Code
|
Description
|
|
A1
|
Low diesel fuel level
|
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A11
|
Low engine oil pressure
|
|
A12
|
High coolant temperature
|
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A13
|
High discharge pressure
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|
A14
|
Electrical diagram
|
|
A15
|
Excessive battery voltage
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A16
|
Battery Voltage Low
|
|
A17
|
High Discharge Temp.
|
|
A18
|
Low Refrigerant Pressure
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A19
|
Stop - Low Fuel
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A20
|
Compressor Signal Limit
|
|
A21
|
Signal reset by a specialist
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|
A22
|
Weak suction overheating
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|
A23
|
Network congestion
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|
A24
|
Compression ratio
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|
A27
|
High suction pressure
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A28
|
Check refrigeration circuit
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A30
|
Failure to work for a minimum period of time
|
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A31
|
Failure to autostart
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A34
|
Engine Stop Failure
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|
A35
|
Check starter circuit
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A36
|
Check coolant temperature
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A37
|
Check for low engine speed
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A38
|
Check high engine speeds
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|
A39
|
Check engine speed
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A40
|
Check the glow plugs
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|
A41
|
< div>Engine stalled |
|
A51
|
No charger current
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|
A53
|
Temperature in the body is out of tolerance
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A54
|
Incomplete defrosting
|
|
A55
|
Check the defrost air relay
|
|
A57
|
Check extras. off 1
|
|
A58
|
Check extras. off 2
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|
A59
|
No data entry
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|
A60
|
Recording time is incorrect
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A61
|
Door is open
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A66
|
Check the evaporator temperature sensor
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|
A71
|
Fuses F2 or F3 are faulty
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|
A73
|
No power, check cable
|
|
A75
|
Compressor motor overload
|
|
A76
|
Condenser motor overheating
|
|
A77
|
Evaporator motor overheating
|
|
A89
|
Check extras. ind. automatic
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|
A91
|
Check htcon1 coil
|
|
A92
|
Check htcon2 coil
|
|
A93
|
Check the buzzer
|
|
A94
|
Check compressor contactor
|
|
A95
|
Check condenser fan contactor
|
|
A96
|
Check Generator Contactor
|
|
A98
|
Check High Temperature Thermostat
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|
A99
|
Check the network contactor
|
|
A100
|
Overload / Current Leakage
|
|
A109
|
Check evcon coil
|
|
A112
|
Check usv coil
|
|
A113
|
Check esv coil
|
|
A114
|
Check the liv coil
|
|
A121
|
Check the outside temperature sensor
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|
A122
|
Check the return air sensor
|
|
A123
|
Check the air supply sensor
|
|
A124
|
Check the defrost completion temperature
|
|
A125
|
Check the discharge temperature sensor
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A126
|
Check the fuel level sensor circuit
|
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A127
|
Check the intake temperature sensor
|
|
A128
|
Current measurement
|
|
A129
|
Check the coolant temperature sensor
|
|
A130
|
Check the engine speed sensor
|
|
A131
|
Check the evaporator temperature sensor
|
|
A133
|
Check add. temp. sensor 1
|
|
A134
|
Check additional temp. sensor 2
|
|
A135
|
Check additional temp. sensor 3
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|
P141
|
Stopping the user self-diagnosis process
|
|
P145
|
Check the speed solenoid circuit
|
|
P151
|
Check the spark plug circuit
|
|
P152
|
Check fuel solenoid circuit
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P153
|
Check return air sensor
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|
P154
|
Check the air supply sensor
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P155
|
Check the coolant temperature sensor
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P156
|
Check bypass valve circuit
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P157
|
Check battery current
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P158
|
Check the outside temperature sensor
|
|
P159
|
Check the defrost end temperature
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|
P160
|
Check discharge temperature sensor
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|
P161
|
Check suction temperature sensor
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|
P169
|
Check the economizer valve circuit
|
|
P170
|
Check the injection valve circuit
|
|
P172
|
Check the bypass valve usv
|
|
P173
|
Check the economizer valve esv
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|
P174
|
Check low engine speed
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P175
|
Check high engine speed
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|
P177
|
Check the overheating of the expansion valve
|
|
P179
|
Check the injection valve liv
|
|
P180
|
Check Suction Pressure Regulator Valve
|
|
P186
|
Check Evaporator Outlet Temperature
|
|
P187
|
Check Heater Circuit 1
|
|
P188
|
Check Heater Circuit 2
|
|
P189
|
Check evaporator fan motor
|
|
P190
|
Check condenser fan motor
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|
P206
|
Check condenser fan circuit
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|
P207
|
Check compressor contactor circuit
|
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P208
|
Check the generator contactor circuit
|
|
P209
|
Check the network contactor circuit
|
|
A223
|
Engine service required
|
|
A224
|
Network service required
|
|
A225
|
General maintenance required
|
|
A226
|
Additional counter #1 maintenance required
|
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A227
|
Needs additional counter #2
|
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A228
|
Needs additional counter #3
|
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A229
|
Needs additional counter #4
|
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A230
|
Needs additional counter #5
|
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A232
|
The specified value is invalid
|
|
A233
|
Invalid model number
|
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A237
|
Invalid operating parameter
|
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A238
|
Invalid configuration
|
|
A242
|
Discharge pressure calibration error
|
|
A243
|
Suction/evaporator calibration error
|
|
A245
|
Unable to save settings
|
|
A246
|
Error writing EPROM
|
|
A248
|
eprom error
|
|
A249
|
Microprocessor error
|
|
CHECK MICROPROCESSOR
|
Display / microprocessor faulty
|
