Troubleshooting - Heat Controller VMH09SC-1 Service Manual

Heat Controller, Inc.
8.4.11.2 After the A/C is turned on, the Clean Air function is switched on when the A/C receives FRESH
CODE the first time, and ionizer is switched off when the A/C receives the CODE again. 8.4.11.3 After
starting the Clean Air function, the ionizer will work only when the indoor fan motor is running. If the indoor
fan motor is off, the ionizer also stops working, even though the Clean Air function is available.
8.4.11.4 Switching the run mode will not stop the ionizer. When turning off the A/C, the ionizer is also turned
off.

9. Troubleshooting

Safety
Because of there are capacitors in PCB electrical power is stored in the capacitors, do not forget to discharge the
capacitor.
Bulb (25-40W)
VMH SerieS
Electrolytic Capacitors
(HIGH VOLTAGE! CAUTION!)
34
35
Service Manual