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induction heating
Induction heater JH1500
The 2 red LEDs (water
flow and overheating) blink
simultaneously.
A phase fault or a current
sensor fault has occurred.
One or more phases is
lacking. Check that all the
phases are available in the
socket, that no fuse has
been triggered and that the
cable is undamaged.
Check that the current
sensors are undamaged
and properly connected.
The LED for overheating is
blinking at start‑up.
The electrical section is
overheated.
The temperature sensor
is giving the wrong value.
Wait until the electrical
section has cooled and the
LED is no longer lit.
Check for loose connectors
or replace temperature
sensor.
The LED for water flow is
blinking at start‑up.
The water flow sensor is
giving the wrong value.
Check for stuck paddle
in water flow sensor or
replace water flow sensor.
The operation LED is blinking
fast at start‑up.
The heating button is
being pressed when
starting the machine.
Release button or replace
faulty heating button and
restart the machine.
The handle gets hot during
heating.
Bad connection between
heating tip and handle.
Follow instructions on how
to clean surface between
heating tip and handle.
The RCB trips when turning
the machine on.
A ground fault has
occured.
Check for damages on the
hose kit or change hose kit.
The cooler fuse trips when
turning the machine on.
A problem with the cooler
section has occured.
Check for faulty phase
switcher, water pump, fan
and compressor.
The main fuse trips when
turning the machine on.
A problem in the electrical
section of the machine
has occured.
Check for faulty rectifier,
power module or hose
packet.
TROUBLESHOOTING INSTRUCTIONS