Operating Manual
24
4
CURRENT
REPAIR
OF
THE
PRODUCT
4.1
G
ENERAL DESCRIPTION
The Product’s operability is controlled by piano type switch backlight glowing
green.
To diagnose the problem, see Table 13.
If you cannot diagnose the problem, contact the Manufacturer’s service centre.
4.2
S
AFETY FEATURES
Any repair works must be provided by personnel examined and received proper
qualifications in the area of the occupational safety.
Check grounding of the PSU before providing any repair works.
It is PROHIBITED to put a poster “DO NOT switch on! Under Operation!”,
when power supply switch is in OFF position.
Replacing damaged parts, boards, modules is PROHIBITED if power sup-
ply of the repaired unit is on.
Installation, aligning and repair works are PROHIBITED in the room, where
less than 2 people are present.
4.3
C
URRENT REPAIR
The list of malfunctions that can be eliminated by own employees is represented
in Tablе 13.
Table 13 – The list of possible malfunctions and troubleshooting
Malfunction
Possible reasons
To be done
The Product does not
switch on
No power mains
Provide power mains
The piano type switch lo-
cated on the Product casing
is in OFF position
Transfer the piano type switch to On
position
Circuit breaker of the
Product network is
switched off or actuated
Transfer circuit breaker to on position
Alarm signal of power supply
failure is absent
Operation mode № 1 is se-
lected
Set relevant operation mode (see 2.3.1)
Summary of Contents for CH-105
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