25
Troubleshooting
Faults
Hints
The display is blank despite
connection to power supply.
Check:
if the main fuse is burnt-out, replace if so,
if the lead connecting the panel with the module is properly
plugged in, and if it’s not damaged.
Preset CH temperature on
the display is different than
the programmed one.
Check:
if the DHW tank is not being filled, and if the preset DHW
temperature is set higher than the preset boiler temperature; if
so, the difference in readings will disappear after filling the DHW
tank alternatively - decrease the preset DHW temperature,
if the time periods are on – disable Night-time decreases.
CH pump is inoperative.
Check:
whether the boiler temperature exceeded the parameter
CH
activation temp.
– wait or decrease the
CH activation temp.
if the DHW priority, which blocks the central heating pump, is
enabled – disable the priority by setting the
DHW mode
to
No
priority
,
whether the central heating pump is not damaged or clogged.
The fan is inoperative.
increase the fan speed (parameters for blow-in output),
check if the safety temperature limiter STB jumper is on
terminals 1-2 (the jumper should be placed only if no proper STB
temperature limiter is connected),
if the boiler manufacturer equipped it with a temperature limiter
STB with manual return to its initial position, unlock it by
removing the lid and pushing the button, in accordance with the
documentation provided by the boiler manufacturer,
check the fan and replace it if necessary.
Fuel feeder inoperative/
fails to feed.
Check if the feeder leads are properly connected to terminals
If temperature limiter STB is connected to terminals 1-2, check if
the circuit is not cut off due to boiler overheating,
Check if the feeder motor is in working order,
If you can hear the motor running, but the fuel is not fed, check
the feeder in accordance with the boiler manual.
When the Individual Fuzzy
Logic mode is on, the fuel is
not completely burned,
there are unburned
particles of fuel in the ash.
Increase Individual Fuzzy Logic airflow correction, point
See if the unburned fuel comes from operation in the
SUPERVISION mode - adjust the SUPERVISION mode
parameters,
Check if the unburned fuel is caused by frequent switching from
SUPERVISION to OPERATION,
Make sure if correct type of boiler is selected, point 26.1,
Open the fan flap and/or fan return flap to the maximum,
Check the ducts which feed air into the furnace,
Unseal the window in the boiler room to provide sufficient
amounts of air.
When the Individual Fuzzy
Logic mode is on, the fuel
burns out too intensively.
Decrease Fuzzy Logic airflow correction, point 8.6,
See if the excessive burning of fuel comes from operation in the
SUPERVISION mode - adjust the SUPERVISION mode as per
point 8.8.
Make sure if correct type of boiler is selected, point 26.1.
Summary of Contents for ecoMAX810P3-L TOUCH
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