Troubleshooting Guide - hestan KRTI Use & Care Manual

TROUBLESHOOTING GUIDE

INDUCTION RANGETOP ERROR CODES INDUCTION RANGETOP ERROR CODES
Error codes are displayed by the 7-segment display with "Er" or "E" plus the error number.
EN
Error
message
Er 03 and
tone or
Er 20
Er 21
Er 22
Er 31
Er 36
Er 47
U 400
E 2
E A
E 6
E 8
E 9
Problem
Nothing works
Heating elements do not
heat properly
Glass ceramic surface is
see-through or appears
to be red in color
22
©2021 Hestan Commercial Corporation
Description
Continuous sensor activation;
Touch Control turn off after 10 sec.
Flash memory - Touch Control
Failure
Over temperature;
Touch Control turn off after 10 sec.
Defective Key evaluation, UI shuts
off after 3.5 - 7.5 sec.
Incorrect configuration data or
deviation between generator and
Touch Control
NTC value defective on Touch
Control; UI turns off
Communication error between
Touch Control and induction
Continuous tone
Power supply on inlet too high
Overheating of the induction coils
Error on power board
Error on power board or supply
element
Incorrect fan speed
Defective temperature sensor on
inductor
Cause
Appliance not connected to proper
electrical circuit.
Fuse is blown or circuit breaker is tripped.
No electricity to the appliance.
Rangetop is in lockout mode.
Improper cookware is being used.
Under direct or bright lighting, you will
sometimes be able to see through the glass
and into the chassis due to its transparent
quality. You may also notice a red tint
under these conditions.
Possible error reason
Water or cooking utensils
on the glass above the
control unit
Faulty microcontroller
Touch control has
exceeded 185ºF [85ºC]
Short-circuit or no
continuity in the area of
the key evaluation
New configuration of
induction generator
required
Short or open circuit of
NTC
None or faulty
communication
Incorrect communication
of the appliance
Overload of rangetop or
empty boiled cookware
Component failure
No power supply to the
power element or error
on power board
Error on fan left or right
Possible Remedy
Have electrician verify that the proper
rated voltage is being supplied to the
appliance.
Replace fuse or reset circuit breaker.
Have electrician check your power
supply.
Unlock rangetop.
Select proper cookware as outlined
in the Cookware Recommendations
section of this manual.
These are normal properties of black
ceramic glass panels.
Troubleshooting
Clean the control surface,
remove objects on sensors
Exchange control unit
Let system cool down.
Exchange control unit
New Configuration
(Service Menu)
Exchange control unit
Connection cable not correctly
plugged in or defective
Correct power supply
connection
Let system cool down.
Replace power board
1. check wiring
2. check filter board
3. replace power board
Air exhaust blocked, or replace
defective fan
Replace inductor
Replace power board