Centrometal El-Cm eBasic 12kW, Руководство по установке, эксплуатации и обслуживанию

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10. Troubles and
troubleshooting
Troubleshooting on regulations and hydraulics must
be done by an authorised firm
For repairs use only original spare parts
Troubles and troubleshooting
TROUBLE DESCRIPTION CAUSE MEASURE
Boiler does not react
after turn on of main
switcher Display does not react,
other components do
not work

Boiler is out of power supply

Fuses on bottom plate are off

Vanishing of managing phase

Damage of main fuse ON/ OFF

Provide power supply

Turn on fuses

Check if fuses have three
phases on output

Change damaged part
Boiler does not heat or
insufficiently
heat/heating pump
works
All on display are within
recommended values
but boiler does not
make hot water

Lack of 1 or 2 phases

Small power of boiler

Some relay damaged

Some heater damaged

Check all three phases

Check set power of boiler

Change damaged part

Change damaged part
Boiler heats but it is
very noisy Higher level of noise
during work

Air in the system

Small water flow

Possible carbonate layer on
heater

Check if the system is air
vented and vent it

Check valves below boiler and
open it

Clean filter below boiler

Take out heaters and clean it
(this is not included in claims
during warranty period)
Boiler turns on quickly
Reaches temperature
too quickly and turns on

Valves below the boiler off

Pump fuse stop to work

Pump jammed

Pump inaccurate

Open valves

Change inaccurate part

Start pump rotor

Change inaccurate part
Great oscillations of
working pressure
Too fast and too big
changes of working
pressure

One valve off

Expansion dish pressure
inadequate

Inaccurate dish

Open the valve

Check pressure in expansion
dish and if needed set dish
pressure adequately

Change inaccurate part
Table 8: Troubles and troubleshooting