Troubleshooting - Toshiba RAV-SP804ATP-E Manual Del Usuario

Recovering Refrigerant
• Use refrigerant recovery switch SW801 on the P.C. board of the outdoor unit to recover refrigerant when the indoor
or outdoor unit is moved.
Procedure
1. Turn on the power of the air conditioner.
2. Select the FAN mode for indoor unit operation with the remote controller.
3. Set SW804 on the P.C. board of the outdoor unit to all OFF, and then press SW801 for 1 second or more. The air
conditioner enters the forced cooling mode for up to 10 minutes.
Operate or handle the valve to recover refrigerant during this time period.
4. Upon completion of refrigerant recovery, close the valve and press SW801 for at least 1 second to stop operation.
5. Turn off the power.
Refrigerant
recovery switch
SW801
Optional
connector CN610
Special
operation select
switch SW804
Existing pipe
switch SW802
DANGER
Be careful of electric shock because the P.C. board has an electrical current running through it.
EN-93
P.C. board
- 47 -
13

TROUBLESHOOTING

Only a qualified service person can perform fault diagnosis of the outdoor unit with the LEDs on the P.C. board of the
outdoor unit in addition to using the check codes displayed on the wired remote controller of the indoor unit.
Use the LEDs and check codes for various checks. Details of the check codes displayed on the wired remote
controller of the indoor unit are described in the Installation Manual of the indoor unit.
Verifying current abnormal status
1. Check that DIP switch SW803 is set to OFF.
2. Jot down the states of LED800 to LED804. (Display mode 1)
3. Press SW800 for at least 1 second. The LED status changes to display mode 2.
4. Check the code whose display mode 1 equals the LED states jotted down and display mode 2 equals the current
flashing status of LED800 to LED804 from the following table to identify the cause.
EN-94