Troubleshooting; System Does Not Operate; Fault On The Air Side - Genvex Optima 100 Opus Operating Instructions Manual

6. Troubleshooting

6.1 System does not operate

System stopped:
No light in the display panel even when the button is
pushed.
Fault:
• The fuse in the panel has blown – no power to unit.
• One of the fuses on the circuit board has blown.
• Loose cable, no power to the unit.
• Loose cable between the unit and the operating
panel.
• "Filter fault" on the unit.
Condensate runs out of the unit:
Fault:
• Condensation outlet blocked with dirt and
contaminants.
• No water in water trap.
• No condensation on the ground due to frost.
• The outlet is not sufficiently protected against frost.

6.2 Fault on the air side

No inlet air to residence's rooms.
Fault:
• Defective ventilator.
• Blocked filter.
• Dirt and leaves in the fresh air vent in Autumn or
snow and ice in Winter.
• Control circuit fuse has blown.
No outlet air from wet rooms.
Fault:
• Defective ventilator.
• Blocked filter.
• Exhaust vent / roof cap is blocked with ice and snow
in the Winter.
Cold inlet air:
Fault:
• The counter flow heat exchanger is blocked with dirt
or ice.
• The extract air ventilator is defective.
• The exhaust air filter is blocked.
If the fault is not stated above, please contact the person
who installed the system or the GENVEX customer
centre.
Subject to technical modifications of Optima 100
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