Haier HSU-12HF03(B) [46/63] Brief introduction to electrical function

Haier HSU-12HF03(B) [46/63] Brief introduction to electrical function
Brief introduction to electrical function
AC current
protection
*
1. Whether system is charged too
many gases.
2. Whether voltage is too low
(below 187V).
3. Whether CT or control board
component is abnormal.
Continued:
DC current protection *
1. Whether compressor shaft is seized.
2. Whether power module is damaged.
3. Whether system voltage is too high
(above242V) or too low (below
187V)
Insufficient current
protection
*
1. Whether voltage is too low.
2. Whether control board is damaged.
Outdoor control
board temperature
protection
*
1. Whether control board is abnormal.
2. Whether outdoor ambient temperature
is too high.
Module temperature
rising protection
*
1. Whether compressor shaft is seized.
2. Whether power module is damaged.
3. Whether heat emission glue is evenly
distributed.
4. Whether system voltage is too high
(above242V) or too low (below
187V)
High-load protection *
1. Whether filter is blocked.
2. Whether the indoor/outdoor ambient
temperature is too high
3. Whether system is charged too much
gases.
4. Whether control board component is
damaged.
5. Whether voltage is too high or too
low.
CT wiring
disconnected
protection
*
1. Whether control board is damaged.
2. Whether 4-way valve is converted.
3. Whether charged gas is normal
* 1. Whether control board is damaged.
EEPROM abnormity
* 1. Whether control board is damaged.
Note:
: Lightening
: Flashing
: Blackout
* Indicating that this function is provided.

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