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When you have the errors and troubles as mentioned below, we recommend you to follow the instructions
shown on each item. Contact dealers for repairs.
Items
Power fails to switch on
Furnace Surface is
hazardous when touch
Slow Heat Rise
A low noise sounding
from the heater
Temperature is not
rising.
Muffle heat up is slow.
Catalyst cleaner is not
working.
Exhaust fume ventilator
is not working.
Possible Causes of Troubles
Main power is not supplied to the furnace.
Control system is malfunctioning due to noise.
Computer Memory Loss
Control system is abnormal.
Thermocouple breakdown
Abnormal heat rise
Thermocouple is abnormal or heater breakdown
The earth line may not be grounded or insufficiently
grounded.
Firing of plenty ring molds will slow heat rise.
As temperature ruses high, heat rises slow.
Too much airflow.
When muffle heat is still low, a low noise will sound.
Muffle heater breakdown
Too much airflow.
Catalyzing is of no effect.
Sub fuse is damaged.
Sub fuse is damaged.
-14-
Recommendable Measures
Make sure that power cord is
plugged or main fuse is blown or
not.
Repair is recommended if often
occur.
Repair is recommended.
Repair is recommended.
Replace a thermocouple.
Repair is recommended.
Repair is recommended.
Sufficient grounding is necessary.
This is not abnormal
This is not abnormal
Airflow is between 1~2L/min.
This is not abnormal.
Repair is recommended.
Airflow is between 1~2L/min.
Replacement of catalyst is
recommended.
Remove the cause of trouble
and fuse replacement is
recommended.
Remove the cause of trouble
and fuse replacement is
recommended.
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