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40 31-5000572 Rev. 1
ENGLISH
INSTALLATION INSTRUCTIONS
Failure Code
In the case of no fault, if the system does not meet the start-up condition, the host digital display standby code.
555.0 Indoor machine capacity beyond the
outdoor machine capacity of 150% or
less than 50%, standby system
Indoor machine capacity beyond the outdoor
machine capacity of 150% or less than 50%, standby system
Resumable
555.1 79 °F(26 °C) standby Ambient temperature above 79 °F(26 °C) indoor heat can not boot
555.2 Low pressure (gas) standby Refrigeration Ps < 33 psi or heating Ps < 17 °° start, system standby
555.3 125 °F(54 °C) above the cooling
outdoor machine is not running
125 °F(54 °C) above the cooling outdoor machine is not running
555.5 Power restriction Power inhibit setting maximum capacity output is 0%
555.6 Password lock Password lock system to set the maximum operating time to the system
standby
555.8 No trial running No trial running
Indication on
main unit
Indication on wired
controller
Flash times of LED5 on indoor PCB/
timer LED on remote receiver
Failure code definition
01 01 1 Indoor ambient temp sensor Ta failure
02 02 2 Indoor coil temp sensor Tc1 failure
03 03 3 Indoor coil temp sensor Tc2 failure
04 04 4 Indoor TW sensor failure
05 05 5 Indoor EEPROM failure
06 06 6 Communication between indoor and
outdoor failure
07 07 7 Communication between indoor and wired
controller failure
08 08 8 Indoor drainage failure
09 09 9 Indoor repeated address
0A 0A 10 Indoor repeated central control address
0C 0C 12 50Hz zero crossing fault
Outdoor failure code Outdoor failure code 20 Outdoor corresponding failure
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