• The condensation outlet blocked ice.
Change filter:
- The filters must changed.
• Blocked filter.
3) The device not running
The device stops:
No light the control panel, even when you press on
the button.
• The fuse the control system circuit board has
blown.
• Fresh air grill blocked with dirt and leaves the
autumn snow and ice the winter. The heating coil
can only reactivated with the reset button located on
the terminal box when the temperature below 90°C.
- Cable between display and circuit board long. The heat coil disconnects the
configured value (90°C) exceeded.
• The extraction fan defective.
• water the water trap.
• Discharge grill/roof cover blocked snow and ice
in winter.
The safety thermostat fitted the electric heatsurface’s
terminal box.
- The unit has stoppedthermostat/motor valve, incorrect
setting control panel.
Cold air supply:
Error:
• Counter current heat exchanger blocked snow
and ice. (Only devices with water after-heat fitted).
Error:
• The fuse the terminal board has blown and there
is power the device.
• There wire loose between the device and the
control panel.
Stopped circulation pump, air heating pipe,
defective thermostat/motor-operated valve, incorrect
configuration control panel.
Condensation water leaking from the device:
Error:
• Condensation outlet blocked dirt.
• The outlet not adequately protected against ice.
• The extraction filter blocked.
2) Safety thermostat electric heatsurface
(auxiliary equipment):
The safety thermostat protects the electric heat-surface
against high temperatures during heat production.
• One the fuses the circuit board has blown.
No air extraction from wet rooms:
Error:
• Defective fan.
Hold ON-OFF:
- The filters have not been changed within the last days.
4) Error air side
No air supply the rooms:
Error:
• Defective fan.
Version error:
- If the program the display section does not suit the
controller.11Subject Technical Modifications Energy and 3/GES Energy 1
Fault finding
1) The display shows Optima 250 DESIGN:
Data error:
- No communication between the display and controller.
• Blocked filter.
If the error not one those listed above, please
contact your installer the GENVEX customer centre.
.
• There loose wire and power the device.
• Electric after-heat surface disconnected from safety
thermostat (only device with electric heat-surface
fitted)
• circulation hot water the water after-heat
surface.
• The fuse the control system circuit board has
blown
