[D1] Master Outdoor Unit Set-Up Alarm - Toshiba HFCR407C Service Manual

Check code
[d1]
Master outdoor unit set-up alarm
Are there multiple inverter
outdoor units connected ?
Is set-up of the master outdoor
units position duplicated ?
[Set SW08 bit 2 on interface PC
board of each unit.(*1)]
Check interface PC board.
( *1) Set-up of outdoor unit at center position (SW08 bit 2 set-up on outdoor interface PC board)
OFF: Slave/ON: Master (Automatic set-up for inverter outdoor unit).
14
Troubleshooting
Diagnostic procedure for check code
Yes
No
Yes
No
Operation cause
1. No. of connected inverter outdoor units
2. Incorrect set-up of master outdoor unit
3. Defective outdoor interface PC board
Set only one inverter outdoor unit
Set only one unit as master, turn off all
power source, and then restart the operation.
106
per system.