IN CASE OF FAILURE
Determine if the 3 pin AC outlet socket is faulty by plugging the power supply
into an alternative outlet socket.
When switched "ON", if the neon indicator does not glow, then check the fuse
as follows.
1.
Switch off and disconnect the power supply from the AC supply mains by
removing the plug from the AC outlet socket.
2.
Using a ballpoint pen or matchstick inserted from the top front of the fuse
holder (marked "fuse" on the front panel), press downward on the fuseholder
tab through the small hole.
3.
The fuse holder will pop out and the fuse can be removed,
4.
Repalce fuse with 3AG 1Amp fuse of the correct length. (29mm) N. B.
Incorrect length (30mm) may not make proper contact internally
5.
Insert fusheolder and push into position until locked.
6.
Switch on unit.
THE. HEAVIERMK-IV POWER SUPPLY IS RECOMMENDED FOR POWERING
VHF BASE STATION RADIO EQUIPMENT AND FOR CAR SOUND SYSTEMS
'WITH POWER BOOSTER AMPLIFIERS.
WARNING:
If 1 Amp fuse continues to blow DO NOT TRY A FUSE WITH HIGHER
RATING THAN 1 AMP.
RETURN YOUR POWER SUPPLY TO YOUR NEAREST DEALER FOR SERVICE.