Ideal Clima KERS 25, User'S And Installer'S Manual

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6.4 DIMENSIONAL DRAWINGS
7 AFTER SALES
7.1 TROUBLESHOOTING
The following pages list the most common causes that can cause the unit to block, or at least to malfunction.
The division is made on the basis of easily identifiable symptoms.
NU
MB
ER
ANOMALY ANALYSIS OF POSSIBLE CAUSES CORRECTIVE ACTIONS
1 The unit does not start
up.
No power supply to the unit.
Check for its presence on the power supply
terminals.
Motor blocked, impeller clogged.
Turn off the unit. Resolve engine jam, clean
propellers. Restart the unit.
Excessive inclination of the hole >2°
Prevents coupling of the motor unit
with the terminals
Pull out the motor assembly and often
tighten it until a good coupling is obtained
2 Low air flow
Too low speed has been set. Choose a higher speed
The filter, either of the fan or of the
exchanger, is dirty
Clean or replace the filters, clean the fan
and the recuperator (see the maintenance
chapter).
3 The circuit breaker trips
A short circuit produced an
overcurrent. Turn off the unit and contact a service
center.
4
The unit continues to
play and the fan does
not rotate
Possible absence of one or both
jumpers on the CN7 terminal board
(located near the green INPUT
connector).
Contact the service center to solve the
problem.
5 The unit emits a beep
The time counter for filter cleaning
has tripped
See the maintenance chapter “replacing
the filters and cleaning the exchanger”.
Press the ON-OFF control for about 10
seconds, until Kers emits more consent
beeps.
6 Vibrations and noises The fan is dirty Clean the fan
7 Vibrations and noises
The screws of the housing or the
outer cap are loose. Tighten the screws of the unit and the outer
cap.
Deformation of the motor unit: the
fan blades touch the pipe.
Loosen the fixing screws and shim