If no indicator glows upon switching the amplifier on, the main fuse(s) may have blown. See Section
Do not use solvents for cleaning as they may be dangerous to you and damage
amplifier surfaces and plastic components.
Do not open the amplifier. Cleaning the amplifier outer surface may be safely accomplished by using a
piece of soft cotton cloth lightly moistened with clean water.
If your amplifier is only fitted with one line (mains) fuse, it is suitable for the
European Community ONLY. Your dealer will check that your amplifier is
correctly fused before it is shipped to you, based upon your indicated location.
Customers should check with a qualified electrician if the amplifier is to be
used outside the country in which it was purchased.
For 120 V ac operation, the fuses should be rated at 10 A; for 240 V ac operation,
the fuses should be rated at 6.3 A. If it is necessary to replace the line (mains) fuses,
use only those that are permitted under local safety codes.
The two primary line (mains) fuses in the amplifier are located on the rear panel (Fig. 2-1). They are of
the fast (quick blow) type, European size 5 x 20 mm. Use 10 A for 100-120 V ac operation; 6.3 A for
200-240 V ac operation. Suitable types are:
For 120 V: 10 A 250 V 5 x 20 mm fast (quick blow), Littlefuse 0217010; Wickmann 1942100000
For 240 V: 6.3 A 250 V 5 x 20 mm fast (quick blow), Littlefuse 021706.3; Wickmann 1931630000
Besides the primary fuses, there are also fuses located on the HV PCB and on the MAINS PCB (inside
the amplifier). They are European size 5 x 20 mm, 2 A and 5 A, time lag (slow-blow) type.
HV PCB: 2 A 250 V SLOW BLOW (Time Lag) 5 x 20 mm; Littlefuse 0218002; Wickmann
MAINS PCB: 5 A 250 V SLOW BLOW (Time Lag) 5 x 20 mm; Littlefuse 0218005; Wickmann
These latter fuses must not be replaced by the user. Replacing these internal fuses is potentially dangerous
and must be done only by a trained service technician. Contact your ACOM dealer for assistance.
To Next Page
Loading...
