29
Version 1.0
Operating manual
SOA-1022
5
CURRENT
REPAIR
5.1
General instructions
Control operation of the System according to Table 15.
To provide diagnostics of the problems, see Table 16.
5.2
Safety features
Only qualified personnel, examined in occupational safety may perform repair
works.
All SC shall be grounded before repair works.
CAUTION!
Replacing defected fuses, parts, cables and modules when power of device
under repair is switched ON is STRICTLY PROHIBITED
It is PROHIBITED to put a poster “DO NOT switch on! Under Operation!”,
when power supply switch is in OFF position.
5.3
Current repair
The service personnel can provide repair works as described in Table 16.
Repair of other defects/malfunctions shall be carried out only by specialists or
authorized representatives of the Manufacturer.
Table 16
describes possible problems/defects and their troubleshooting.
Table 16 – Possible problems/defects and troubleshooting
Problem / defect
Potential reasons
To do
Problems in CSAHS operation
CSAHS fails to provide
output power 220 V AC,
50 Hz
No main and standby power
Provide main and standby power supply
Automatic circuit breakers of main
and standby power are in down
position
Transfer the automatic circuit breakers
to top position
Problems in AHU operation
AHU is not heating air
inside a dome
CSAHS power cable is not
connected to AHU
Connect the power cable
КР malfunction
Replace the КР
Air temperature inside the dome is
higher than the preset one
Wait for air cooling inside the dome
