Heater Display
F 0
F E
F t
F c
F H
F J
F U
F b
F C
F d
F A
F 5
F 1
F 2
F 7
F 8
F 9
F 3
F 4
F 6
Fault / Error
Microcontroller fault
User interface temperature
sensor short-circuit
User interface temperature
sensor open-circuit
User interface over tempera-
ture
EEPROM fault
ADC_ Mux fault
Ext_Mux fault
Keys Sensitivity error
PWM frequency error
PWM level error
On-Off key level
Communication fault
Heater temperature sensor
short-circuit
Heater temperature sensor
open-circuit
Heater temperature sensor
error 1
Heater temperature sensor
error 2
Heater voltage fault
Power unit temperature sen-
sor short-circuit
Power unit temperature sen-
sor open-circuit
Mains zero crossing loss
Effect in the
appliance
App. off
App. off
App. off
App. off
App. off
App. off
App. off
App. off
App. off
App. off
App. off
Heater/s off
Heater/s off
Heater/s off
Heater/s off
Heater/s off
Heater/s off
Heater/s off
Heater/s off
Heater/s off
46
Normal Status
recovery
-------
When the fault disappears
When the fault disappears
When user interface
temperature < T
-------
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears
When the fault disappears