Ventacity Systems VSCM Series - troubleshooting-guide

34
Rev. 01.01
REFERENCE
6. REFERENCE
ATTENTION!
●Before starting the maintenance and repair
works, the unit must be disconnected from
the power sources, the supply voltage must
be locked, and the service switches must be in
position 0 (off).
●Do not attempt repairs if you are not familiar
with the exact procedure. Contact a qualied
service provider.
TECHNICAL DATA
An error is usually indicated by a message on the
display. See the table below.
6.2 TROUBLESHOOTING
Description Behavior Likely problem Solution
4 – Supply fan
error
Unit is not
working
Overheated fan or defect on
thermal contact of inlet fan
Determine the cause of the overheating (de-
fective bearing, short-circuit...) or replace the
engine.
5 – Exhaust fan
error
Unit is not
working
Overheated fan or defect on
thermal contact of inlet fan
Determine the cause of the overheating (de-
fective bearing, short-circuit...) or replace the
engine.
6 – Inlet lter
clogged
Unit is
ventilating
Clogged lter
Check the condition of the lter, or replace it. If
the unit does not have a pressure sensor for the
lter, RESET the clogged lter according to the
manual.
7 – Exhaust
lter clogged
Unit is
ventilating
Clogged lter
Check the condition of the lter, or replace it. If
the unit does not have a pressure sensor for the
lter, RESET the clogged lter according to the
manual.
8 - Failure in
preheating 1
Unit is
ventilating
Overheated electric exchanger
or damaged sensor Open the
exchanger thermostat.
Check that air can ow freely through the unit,
electric heat exchanger is not cooling sufciently.
Check the safety thermostat on the electric pre-
heating for damages.
9 - Failure in
exchanger 1
Unit is
ventilating
Overheated electric exchanger
or damaged sensor Open the
exchanger thermostat.
Check that air can ow freely through the unit,
electric heat exchanger is not cooling sufciently.
Check the safety thermostat on the electric re-
heating for damages.
10 - Failure in
exchanger 2
Unit is
ventilating
Overheated electric exchanger
or damaged sensor Open the
exchanger thermostat.
Check that air can ow freely through the unit,
electric heat exchanger is not cooling sufciently.
Check the safety thermostat on the electric re-
heating for damages.
11 - Failure in
preheating 2
Unit is
ventilating
Overheated electric exchanger
or damaged sensor Open the
exchanger thermostat.
Check that air can ow freely through the unit,
electric heat exchanger is not cooling sufciently.
Check the safety thermostat on the electric pre-
heating for damages.
0
1