Haier HSU-09H03/(BP)1 Service Manual page 35

Outdoor control
board temperature ■
protection
Module temperature
□
rising protection
High-load protection
★
CT wiring
disconnected ★
protection
EEPROM abnormity
★
□: Lightening
Note:
★: Flashing
■: Blackout
Domestic Air Conditioner
★ ★
★ ★
*
★ ★
■ ★
*
□ ★
* Indicating that this function is provided.
33
1. Whether control board is abnormal.
* 2. Whether outdoor ambient temperature
is too high.
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)
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.
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.
* 1. Whether control board is damaged.
HSU-09H03/(BP)1
Model:
HSU-12H03/(BP)1