Glow-worm 23c - Manual (Page 31)

31 2000225000B
FAULT: THE WATER AT THE TAPS IS LUKE-WARM.
Turn it up.
NO
NO
YES
YES
Is the setting high enough?
Check that the flow restrictor on the cold
water inlet is fitted.
Check the rate of flow.
Check the thermistor.
Is the temperature higher if you turn the
tap down to reduce the flow rate?
FAULT: THE RADIATORS ARE LUKE-WARM.
The temperature of the radiators
depend on the outside temperature.
If the room temperature is not sufficient,
adjust. YES
YES
NO
NO
Is the installation fitted with a
external sensor?
The radiators will only be hot if the
thermostat is demanding heat. If the
room temperature is not sufficient, turn
the setting of the room thermostat up.
Is the heating setting high enough?
YES
Turn it up.
Is the heating power adequate?
- Check the adjustment of the by-pass
(too far open).
- Check the circulation in the radiators.
- Check the thermistor.
- If problem persists, change the interface
board or the control board (PCB).
NO
Is the installation fitted with a
room thermostat?
16 Fault Finding