Martel Electronics 235 User Manual

Page 81

Text mode
Original mode

Fuse Testing (continued)

Service Information

230/235

Fuse Type/

Location

Fuse

No.

Function

Test

Input/
Output

Model 230

Model 235

Top PCB

V/mV/

Ohms

Output

Place a 10K ohm resistor across the
volts output terminals and jumper
volts out to volts in. Select input
volts and output volts and request
1V out. If the input and output both
read zero, the fuse may be blown.

Main Power

Bottom
PCB

Primary

Power

This fuse should not blow unless an
internal malfunction occurs or
unless the user inadvertently shorts
the main DC power line while the
case is open. The symptom would
be that the unit is completely dead.

Charger

This fuse protects the batteries in
case

the

wrong

charger

connected to the unit. The
symptom would be that the unit
would not recharge from the
charger. If this fuse is found blown,
ensure that you are using the
charger supplied with the calibrator.

This manual is related to the following products: