6 Faults
The following table contains an overview of all faults and their cause. Contact Hoval
customer service to have faults rectified.
ID
Fault
Cause
System reaction
Remedy
Group 00 – Control panel
00-00-04 Power supply system 1 fault
Power supply system 1 faulty
Units with source switching
switch to system 2.
Check power supply.
00-00-05 Power supply system 2 fault
Power supply system 2 faulty
Units with source switching
switch to system 1.
00-01-00 24 V supply fault
24 V supply faulty
Some units cannot be acti-
vated. Sensors deliver wrong
values.
Check the fuse in the control
panel. If this occurs again, contact
Hoval customer service.
00-01-01 Surge voltage protection fault
Fault in overvoltage protection in the
control panel, occurrence of overvoltage
or varistor service life expired
The unit is no longer protected
against overvoltage.
Check overvoltage protection and
replace if necessary.
00-02-01 External release feedback
No external release
(bridge in control panel interrupted)
The unit switches off or
displays only one message
(adjustable).
Check safety chain and release.
Group 10 – Supply air
10-00-06
10-01-06
10-02-06
Fan # / Fault message
The displayed fault is present at supply
air fan no. # (1 | 2 | 3).
The unit continues to run with
the other supply air fans.
Call Hoval customer service.
10-00-09
10-01-09
10-02-09
Fan # / CEC
10-00-11
10-01-11
10-02-11
Fan # / Hall sensor
10-00-12
10-01-12
10-02-12
Fan # / Phase failure
10-00-13
10-01-13
10-02-13
Fan # / Undervoltage intermediate circuit
10-00-14
10-01-14
10-02-14
Fan # / Overvoltage intermediate circuit
10-00-15
10-01-15
10-02-15
Fan # / Earth fault
10-00-16
10-01-16
10-02-16
Fan # / IGBT error
10-00-21
10-01-21
10-02-21
Fan # / Temperature management
10-00-25
10-01-25
10-02-25
Fan # / Fuse blown
10-00-26
10-01-26
10-02-26
Fan # / Motor blocked
17
System control for ServeCool
Faults
4 219 126-en-01
