Description of indication lamps
①Normal operation
Operation lamp is lit, but
heater doesn't start
Standby condition for
thermostat
(The preset temperature
of internal/external
thermostat is below the
ambient temperature)
Increase the preset
temperature of
thermostat.
*To keep heater running
continuously, an internal
thermostat knob is set on
"Cont." position.
Extremely high voltage is
detected
Check the voltage of
power source
Burner unit is overheated
③ Overheated
Description: When the heater
overheats, the overheated
lamp will blink
Move the heater to flat
level
⑥ Power shutdown
Description: When the power
supply is restored after it
shuts down during operation
because of blackout or other
reason, all lamp will light.
⑤ Overvoltage detected
Description: When the heater
detects extremely high-
voltage, the overvoltage lamp
will blink.
④ Tilted
Description: When the heater
topples to the ground or gets a
high impact, the tilted lamp will
blink
Remedy
Turn away form the direct
sunlight
Tighten all fittings and
repeat start-operation
Replace a Nozzle or filter
element
Status/(Timing)
Possible causes
(During the operation)
(During the operation)
Nozzle or filter element is
clogged
(At the start of the
operation)
The heater stays on
slope
Remove the causes of
overheat
Replace a nozzle or filter
(During the operation)
Power supply shuts down
such as a blackout
Standard voltage:230V (EPX1)/ 120V (EPX5)
Restart the heater
The heater gets a high
impact
② Misfire
Description: When the heater
does not ignite or the flame is
extinguished during operation,
the misfire lamp will blink.
Nozzle or filter element
may be clogged
(Within 15 seconds after
switching on)
Lens of flame monitor is
dirty or dusty
Clean the lens of flame
monitor with soft cloth
Loose fitting in fuel line
Fuel pump is idling with
clicking sound
(At the start of the
operation)
Other
Direct sunlight hits flame
monitor
①Normal operation
●
②Misfire
★
③Overheated
★
④Tilted
★
⑤Overvoltage detected
★
⑥Power shutdown
●
●
●
●
●
⑦Misfire 5 times in a row
★
★
★
★
⑧Low voltage detected
●
●
⑨Abnormal fan speed
★
★
★
●
/
●
= lighting
★
= blinking
Содержание VAL6 EPX Series
Страница 1: ...VAL6 EPX Maintenance Manual ...
Страница 2: ...1 Names of components ...