3) CAUSE OF TROUBLE AND COUNT-MEASURE ACTION
1. flame sensor detects danger.
signal, and stops operation.
2. protector relay is out of order.
3. motor is out of order.
4. gear pump is out of order.
․ reset after removing
the cause of trouble.
․ replace and repair.
․ replace and repair.
․ replace and repair.
motor operates but
does not ignite.
1. ignition bar is inaccurately
adjusted or damaged.
2. transformer or lead wire is out of order.
3. pump discharge pressure drops and air
suction.
4. no oil is sucked in.
5. electronic valve is clogged or out of
order.
6. combustion air flow rate is too much or
less.
7. nozzle is clogged.
8. inlet pipe is damaged.
9. coupling is poor.
․ adjust ignition bar
position and replace.
․ replace and repair.
․ raise discharge.
pressure discharge air.
․ check valve and clean
filter.
․ replace and repair.
․ adjust damper.
․ replace and repair.
․ replace and repair.
․ replace and repair.
when combustion
stop immediately
after ignites.
1. flame sensor is contaminated.
2. flame sensor is out of order
3. protector relay is out of order.
․ clean
․ replace and repair.
․ replace and repair.
combustion is
unstable or smoke
occurs.
1. hydraulic pressure is inappropriate for
spray.
2. nozzle is clogged
3. combustion air flow rate is too much or
less.
․ adjust spray pressure.
․ replace and repair.
․ adjust damper.
in case of
operated by
manual but no
operated by
automatic.
1. protect relay is out of order.
2. protection of protect relay reset button
3. flame sensor receiving light from out
side
․ change or repair.
․ reset after removing
the cause of trouble
․ reset after removing
the cause of trouble
1. combustion air flow rete is too much