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Troubleshooting – Kenwood TH-42A User Manual

Page 59

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TROUBLESHOOTING

The problems described in this table are commonly encountered operational malfunctions. These types of difficulties
are usually caused by improper hook-up, accidental incorrect control settings, or operator

error due

to incomplete

programming, and are not caused by a circuit failure. Please review this table, and the appropriate section(s) of this
Instruction Manual, before assuming your transceiver is defective.

Problem Symptom

Probable Cause

Corrective Action

Nothing appears on the

display when the
transceiver is switched ON

(PWRA/OL control turned

clockwise), or the entire
display is blinking ON and
OFF.

1 Low supply voltage

2 If using optional DC cable:

a) Bad power cable or connections

b) Open power supply fuse

1 Recharge the battery pack or replace the

batteries.

2 a) Check power cable and connections,

then repair/replace as necessary.

b) Investigate the cause for the open

fuse. Replace the fuse.

No sound comes from the

speaker.

Noise squelch is closed since no stations

are on frequency.

None necessary. The speaker output is
muted automatically if no signals are being
received. Press [MONI] to override the
noise squelch and verify no stations are on

frequency {page 13}.

Continued

54

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