Measurement deviation
fault of temperature
sensors
Temperature sensors might be
defective.
E15
Error on Temperature
Sensor for Supply Water
No temperature is detected by
temperature sensor for supply water.
E16
No temperature is detected by
temperature sensor for returning
water.
E17
Error on Temperature
Sensor for Return Sensor
Temperature Sensor Error The temperature change on the
temperature sensor is too high (> 30
Σ
C
)
E18
E21
Analog digital converter
failure
d
he electronic card may be failed.
E33
Error on Temperature
Sensor for Return Sensor
The return water temperature sensor is
in short or open circuit state.
Error on Temperature
Sensor for Supply Water
Temperature
The supply water temperature sensor
is in short or open circuit state.
E35
Temperature difference
error between return
water temperature and
supply water
Temperature detected by temperature
sensor for return water is higher than
temperature detected by temperature
sensor for supply sensor
E80
Flame failure (more
than 3 flame failures in 4
minutes)
E82
Flame detection problem
Over Temperature Error
for Flue Gas
It occurs when the temperature of the
flue gas exceeds 95
o
C.
F07
1- Notify gas safe engineer.
F13
Repeated Reset Fault
Pressing of Reset button more than 5
times in an hour
1- Notify gas safe engineer.
F25
Electronic Card Fault
Electronic Card Firmware Fault
1- Notify gas safe engineer.
F34
Low Supply voltage
It occurs when the supply voltage falls
below 170V.
1- Notify gas safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Press reset button.
2- If the error is still present
(or persists) after reset,notify
gas safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset ,notify gas
safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
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