Failure Display And Inspection; Troubleshooting - Haier HAMTSJ86TFTCF/1 Instruction Manual

8. Failure Display and Inspection

The induction hob is equipped with a self diagnostic function. With this test the technician is able to check
the function of several components without disassembling or dismounting the hob from the working
surface.

Troubleshooting

1) Failure code occur during customer using & Solution;
Failure code
EL Supply voltage is below the rated voltage.
EH Supply voltage is above the rated voltage.
C1 High temperature of ceramic plate sensor .
C2 High temperature of IGBT.
ET High temperature of screen .
Ceramic plate temperature sensor failure-
E2
-short circuit.
Ceramic plate temperature sensor
E1
failure--open circuit.
Ceramic plate temperature sensor
E7
failure—invalid .
Temperature sensor of the IGBT failure -
E4
short circuit .
Temperature sensor of the IGBT failure -
E3
open circuit.
EU The connection between the display board
and the main board is fail
UE The connection between the display board
and the screen is fail.
Problem
Auto-Recovery
No Auto-Recovery
21
Solution
Please inspect whether power supply is
normal.
Power on after the power supply is normal.
Wait for the temperature of ceramic plate
return to normal.
Touch "ON/OFF" button to restart unit.
Wait for the temperature of IGBT return to
normal.
Touch "ON/OFF" button to restart unit.
Check whether the fan runs smoothly;
if not , replace the fan.
Wait for the temperature of screen return
to normal.
Touch "ON/OFF" button to restart unit.
Check the connection or replace the
ceramic plate temperature sensor.
Replace the power board.
Check the connection between the
display board and the main board.
Check the connection between the
display board and the main board.