Hamron 021120 - Maintenance; Troubleshooting

EN
19
MAINTENANCE
• Replace outgoing fuses when necessary
(5 A blade fuse).
• Replace mains fuse when necessary.
TROUBLESHOOTING
Problem Cause
Indication of
incorrect polarity is
shown.
The battery leads
have been switched.
The display is blank. No power.
Indication of
connection fault and
voltage is shown.
The battery terminals
are dirty or oxidiised.
Low or unstable
charging current.
The display backlight
is on, and the
display shows 0.0
V and indication of
connection fault.
No battery is
connected.