Haier Air Cooled Modular Chiller Error Codes
Troubleshooting:stop all module chillers
Faliure resume:this fault is unresume failure
Must cut off power,after eliminate failures,then restart
E05 triple-phase AC input lack phase protection
Troubleshooting:stop all compressors、water pump、fan motor(if master unit occurs this
fault,all modules will stop,slave unit occurs this fault, only corresponding module unit will stop);
Troubleshooting resume:after AC input is normal,will auto resume;
E06 triple-phase AC input phase sequence protection
Troubleshooting:stop all compressors、water pump、 fan motor(if master unit occurs this
fault,all module units will stop,if slave unit occurs this fault,only corresponding module unit will
stop );
Failure resume:after power off,adjust phase sequence,will resume.
E07 water return sensor fault
Troubleshooting:stop all compressors、water pump(if master unit occurs this fault,all
module units will stop,if slave unit occurs this fault,unit won’t do stop protection);
Faliure resume:resume after change ambient sensor normally;
E08 water outlet temp. sensor fault
Troubleshooting:stop this unit’s all compressors;
Faliure resume:resume after change temp. sensor normally.
E09 outdoor ambient temp. sensor fault
Troubleshooting: stop this unit’s all compressors;
Faliure resume:resume after change temp. sensor normally;
E16 wired controller communication fault
Troubleshooting:system will do “OFF”manage
Faliure resume:auto resume after receiving wired controller communication signals.
E21 fan overload protection fault
Troubleshooting:stop this unit’s compressor
Faliure resume:unresumable
E22 A system high pressure protection
Troubleshooting:A system compressor stop;
Faliure resume:resume after signals shut;
E23 A system low pressure protection
Troubleshooting:A system compressor stops;
Failure resume: resume after signals shut;
E24 compressor 1 over current protection
Troubleshooting:A system compressor stops;
Faliure resume:auto resume;
E25 compressor 1 discharge temp. sensor open circuit or short circuit
Troubleshooting:A system compressor stops;
Failure resume:auto resume after changing sensor normally;
E26 A system coil(outlet) temp.sensor is open circuit or short circuit
Troubleshooting:stop A system compressor
Failure resume:auto resume after changing sensor.
E28 A system water exchange refigerant entrance port is open circuit or short circuit
Troubleshooting:stop A system compressor;
Failure resume:auto resume after changing sensor normally;
E29 A system suction temp. sensor is open circuit or short circuit
Troubleshooting:stop A system compressor
Failure resume:auto resume after changing sensor normally;
E30 A system coil(entrance)temp. sensor is open circuit or short circuit
Troubleshooting:A system compressor stops;
Failure resume:auto resume after changing sensor normally.
E31 compressor 1 discharge temp. sensor overhigh
Troubleshooting:A system compressor stops;
Failure resume:resume after changing temp. sensor or discharging temp. sensor＜90℃
E32 A system coil (exit) temp.sensor temp. overhigh
Trooubleshooting:A system compressor stops;
Failure resume:resume after A system coil(exit) senor temp.<55℃
E39 compressor 2 overcurrent protection
Troubleshooting:A system compressor stops;
Failure resume: auto resume;
E40 compressor 2 discharge temp. sensor is open circuit or short circuit
Troubleshooting:A system compressor stops;
Failure resume:auto resume after change sensor normally;
E46 compressor 2 discharge temp. is overhigh
Troubleshooting:A system compressor stops;
resume:resume after compressor 2 discharge temp.<90℃
E52 B system high pressure protection
Troubleshooting:B system compressor stops;
Failure resume:auto resume after signals shut
E53 B system low pressure protection
Troubleshooting:B system compressor stops;
Failure resume:auto resume after signals shut;
E54 compressor 3 over current protection
Troubleshooting:B system compressor stops;
resume:auto resume.
E55 compressor 3 discharge temp. sensor is open circuit or short circuit;
Troubleshooting:Bsystem compressor stops;
Failure resume:auto resume;
E56 B system coil(exit) temp. sensor is short circuit or short circuit
Troubleshooting:B system compressor stops;
Failure resume:auto resume after changing sensor normally.
E57 B system water exchange refirgerant entrance temp.sensor is open circuit or short
circuit
Troubleshooting:B system compressor stops;
Failure resume:auto resume after changing sensor normally;
E58 B system water exchange refrigerant exit temp. sensor is open circuit or short circuit
Troubleshooting:B system compressor stops;
Failure resume: auto resume after changing sensor normally.
E59 B system suction temp. sensor is open circuit or short circuit
Troubleshooting:B system compressor stops;
Failure resume:auto resume after changing sensor normally
E60 B system coil(entrance) temp. sensor is open circuit or short circuit
Troubleshooting:B system compressor stops;
Failure resume:auto resume after changing sensor normally;
E61 compressor 3 discharging temp. sensor overhigh
Troubleshooting:B system compressor stops;
Failure resume:resume after changing temp. sensor or discharging temp. overhigh;
E62 B system coil(exit) temp. sensor overhigh
Troubleshooting:B system compressor stops;
Failure resume:resume after B system coil(exit) sensor temp<55℃
E69 compressor 4 overcurrent protection
Troubleshooting:B system compressor stops;
Failure resume:auto resume;
E70 compressor 4 discharging temp. sensor is open circuit or short circuit
Troubleshooting:B system compressor stops;
Failure resume:auto resume after changing sensor normally;
E76 compressor 4 discharging temp. sensor is overhigh
Troubleshooting:B system compressor stops;
Failure resume:resume after changing temp. sensor or discharging temp. <90℃
