Troubleshooting - Ferroli VM-B 20 Betriebs- Und Wartungsanleitung

TROUBLESHOOTING

FAULT
Insufficient air outlet
Fails to produce heat
Fails to produce cold
The fan fails to turn
24
ROUTINE MAINTENANCE
PROBABLE CAUSE
-Wrong speed selected on the control
panel.
-Filter clogged.
-Flow obstructed (on the inlet and/or
outlet).
-No hot water.
-Wrong setting on control panel.
-No cold water.
-Wrong setting on control panel.
-No power.
-In winter mode, the fan power supply
depends on activation of the enabling
thermostat (if installed). The ventilating
action will only start when the tempe-
rature of the water reaches 39°C.
REMEDY
-Select the speed on the control panel.
-Check the boiler.
-Change setting on control panel.
-Check the coolant.
-Change setting on control panel.
-Check the boiler.