Troubleshotting - Gabarron CPE Serie Instrucciones De Instalacion Y Uso

6. MAINTENANCE
- Clean with a dry, soft cloth only when the unit is disconnected and cold. Do not use solvents or abrasive products for
cleaning.
- Check periodically that the pressure in the hydrometer (7) is close to 1.5 kg/cm
- Never switch on an empty boiler.
- Before carrying out any work inside the appliance, the boiler must be disconnected from the electricity supply.
- If necessary up to a 30% of propylene glycol anti-freeze can be added to the installation.
- It is recommended to connect periodically the pump (i.e. by setting the thermostat control (10) to the minimum) in order
to avoid pump blocking.

7. TROUBLESHOTTING

Main switch (1) is not lit at any time
The boiler is on but radiators are cold.
(Heating safety limiter acted)
Low temperature in the installation
Main luminous switch is on but First
power switch (3) does not come on
Noisy installation
Overpressure valve drains water
8. ESQUEMAS ELÉCTRICOS / WIRING
3X 400V +N ~
- Melted fuse
- No supply
- Blocked pump
- Air inside de installation
- Closed valves at the radiators
- Thermostat control (10) is set too low
- Broken heating elements
- Wrong power calculation
- Water is not flowing
Flow switch remains OFF
- Acted safety limiter
- Thermostat control (10) is set too low
- External timer or thermostat is off.
- Air inside the pump
- Low pressure
- Pump working at high speed
- Very high pressure
- Broken expansion vessel
- 9 -
2
.
- Replace
- Check de electricity supply
- unblock the pump
- Purging
- Open the valves
- Adjust
- Replace
- Increase the power
- Purging. Unblock the pump if necessary
- Press the pin under the black cover at (10)
- Adjust
- purge the pump
- Increase pressure up to 1.5 kg/cm2
- Shift to a slower speed
- Set pressure to 1.5 kg/cm2
- Replace