ARICO Technology Co., Ltd. -19-
3-7 Trouble shooting
1. No action after power on.
Module is installed properly?
Power wiring is correct?
Main power switch is malfunction?
Module is malfunction?
2. F1 or F2 fuse break indicator bright.
Change the fuse accord with the
brightly indicator.
Module is installed properly?
Thermocouple is break?
Extension cable is loose or breaks?
Module is malfunction?
Thermocouple is reverse?
Module is malfunction?
5. No display PV nor m ally or PV unstabl e.
Refer to item 3.
Power leakage?
The ground is properly?
6. In the normal operation, the temperature
cannot rise up.
Module is installed properly?
Extension cable is loose or breaks?
Heater is malfunction?
Module(TRIAC)is malfunction?
7. Temperature control is unstable.
Refer 1-4-10, execute PID self –
tuning.