SHARP(CHINA)INVESTMENT CO.,LTD
13. Display P4
4P yalpsiD motpmys melborP
noitcetorp erutarepmetrevo egrahcsiD esuaC
noitcA sisongaid fo tnetnoC .oN noitcnuflaM
1 Check if the air inlet and outlet of outdoor unit is blocked by any
obstructions.
Install to the position as required in the Instruction
Manual and ensure the air inlet and outlet of the
outdoor unit is smooth.
tnaregirfer ddA .tnaregirfer fo egatrohs rof metsys eht kcehC 2
3 Check if the exhaust temperature sensor is drifted, short circuited or
open circuited. (25ć/20k). For other resistances, please refer to
the Exhaust Temperature Sensor – Resistance Sheet)
Replace the exhaust temperature sensor
draob ecruos rewop roodtuo eht ecalpeR degamad draob lortnoC 4
14. Display P2
2P yalpsiD motpmys melborP
noitcetorp tnerrucrevO esuaC
noitcA sisongaid fo tnetnoC .oN noitcnuflaM
1 Check if the outdoor fan motor is stopped due to overheat
protection, or damaged, and if the fan capacitor is damaged.
Replace the fan capacitor,replace the outdoor power
source board and the damaged outdoor fan motor.
15. Display P5
5P yalpsiD motpmys melborP
edom gnilooc rednu noitcetorp gniloocbuS esuaC
noitcA sisongaid fo tnetnoC .oN noitcnuflaM
1 Check if the air inlet and outlet of indoor unit is blocked by any
obstructions.
Install to the position as required in the Installation manual
and ensure the air inlet and outlet of the outdoor unit is
smooth.
2 Check the system for shortage of refrigerant. Add refrigerant
3 Check if the exhaust temperature sensor is drifted, short
circuited or open circuited. (Measure the resistance of the
resistors on two ends of indoor temperature sensor: (25ć /
5k). For other resistances, please refer to the Temperature –
Resistance Sheet.
Replace room temperature sensor (IRT) and Indoor pipe
(coil) temperature sensor (IPT)
draob lortnoc roodni eht ecalpeR degamad draob lortnoC 4
16. Display P6
6P yalpsiD motpmys melborP
cetorp gnitaehrevO esuaC tion under cooling mode
noitcA sisongaid fo tnetnoC .oN noitcnuflaM
1 Check if the air inlet and outlet of outdoor unit is blocked by any
obstructions.
Install to the position as required in the Installation manual
and ensure the air inlet and outlet of the outdoor unit is
smooth.
2 Check the system for shortage of refrigerant. Add refrigerant
3 Check if the outdoor evaporator coil temperature sensor is
drifted, short circuited or open circuited (25 /5K). For other ć
resistance, please refer to the Temperature – Resistance
Sheet.
Replace the outdoor coil temperature sensor
draob ecruos rewop roodtuo eht ecalpeR degamad draob lortnoC 4
3-17
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