KNF Yamato RE212-G Manuel D'instructions page 163

8. TROUBLESHOOTING
Troubleshooting Guide
Symptom
Unit does not turn on
when the Power
switch is turned ON (|).
Temperature does not
rise when the
Run/Stop key is ON
Possible causes
● Power supply failure
●
Power cable disconnection
●
Power switch failure
●
Controller failure
●
Independent overheat prevention
device is activated
●
Overcurrent protection fuse
(15 A) is blown
● External temperature is below
5 °C
●
Independent overheat prevention
device is activated
●
Temperature sensor failure
●
Controller failure
●
Heater failure
●
Power supply failure
● Check power supply voltage
Must be 180-250 V AC
●
Insert power cable firmly deep into the
power inlet. See "Make power
connection properly." (P.11)
●
Replace relevant parts
●
Replace relevant parts
●
Press the reset switch.
See "Independent Overheat Prevention
Device Reset" (P.21)
●
Replace relevant parts
● Operating ambient temperature range
is 5 to 35 °C
●
Press the reset switch.
See "Independent Overheat Prevention
Device Reset" (P.21)
●
Replace relevant parts
●
Replace relevant parts
●
Replace relevant parts
●
Check power supply voltage
Must be 180-250 V AC
28
Possible measures