Operating manual
v.0.3
Page 12
4
CURRENT
REPAIR
OF
THE
PRODUCT
4.1
G
ENERAL DESCRIPTION
To provide diagnostics of the problems, see Table 7.
If a problem cannot be diagnosed or trouble shooting cannot be provided, con-
tact the Manufacturer’s service center.
4.2
S
AFETY FEATURES
Only qualified personnel, examined in occupational safety may perform repair
works.
The Product must be grounded before repair works. Check the grounding of the
Product.
It is PROHIBITED to put a poster “DO NOT switch on! Under Operation!”,
when power supply switch is in “OFF” position.
Replacing defected parts, cards and modules when power of device under
repair is ON is STRICTLY PROHIBITED.
Installation, commissioning and repair works are PROHIBITED in the
room, where less than 2 people present.
4.3
C
URRENT REPAIR
The service personnel can provide repair works as given in Table 7.
Table 7 – Possible problems/defects and troubleshooting
Problem / defect
Possible reasons
To do
The Product does not
switch on
No power mains
Provide power network
Piano type power switch lo-
cated on the casing is in
“OFF” position
Transfer piano type switch to “ON” po-
sition
Fuse malfunction
Replace the fuse