Ideal Clima MACH + - After Sale; Troubleshooting; Routine Maintenance

MACH+ heat recovery units— User and installer manual
© Ideal Clima-page 11 of 20
6 AFTER SALE
6.1 TROUBLESHOOTING
Below are the most common causes that can cause the unit to block or malfunction. The categories are sorted
according to easily identifiable symptoms.
No
ANOMALY
ANALYSIS OF POSSIBLE CAUSES
CORRECTIVE ACTIONS
1
The unit does not start
- The unit is not connected to
the mains.
- The unit is off
-Presence of alarms
- Check the presence of voltage
at the terminals-
- move the switch to any speed
- eliminate the cause of alarm
and start again.
2
Supply air too cold.
- Accumulation of ice in the
heat exchanger.
- Clogged exhaust filter.
- By-pass valve blocked (only in
free-cooling models)
- Check for ice in the heat
exchanger. If present, stop the
machine and let the ice melt. —
Check or install the anti-ice
thermostat.
- Clean and replace the drain
filter.
- open the machine and check
the movements of the free-
cooling valve
3
Trigger the auto switch
A short circuit caused an
overcurrent.
-Turn off the unit and contact a
service center.
4
Reduced air flow
- Fan speed too low
- Clogging filters
- Clogged air treatment system
- control speed
- check filters
- check the air paths
6
Water leakage
-The hydraulic system fittings are
not well tightened
- Pull thehydraulic connections,
open the taps.
7
Vibration and noise
- The fan is dirty
- The screws of the housing or
outer cap are loose
- Clean the fan
- Tighten unit and outer cap
screws
8
Condensate leakage
- the drainage line is clogged,
damaged.
- the recuperator is not on the
right slope.
- construction site residues clog
the collection pan
- clean the drainage line.
- tilt the recuperator 2 ° towards
the drain.
- clean pan
6.2 ROUTINE MAINTENANCE
Disconnect the unit from the mains, open the machine and do
the following:
- Cleaning filters (2 times a year):