2 、 Troubleshooting
Trouble
Probable cause Remedy
No input power
(1)incorrect input power
connection
(2)Power switch in”off”
position
（ 1 ） Check input power connection
（ 2 ） Turn power switch to “on”
position
Timer does not work
（ 1 ） Charging time has not adjusted
（ 2 ） Timer damaged
（ 1 ） Adjust charging time
（ 2 ） Replace timer
Not enough electricity
power of charged Batt-
ery
(1)Improperly connect work cables
or clamps
(2) Not enough charging current
(3) Not enough charging time
(4) Ex cess charge rate of battery capacity
(1)Check cables connections
and tighten clamps
(2)increase charging current
(3)increase charging time
(4)Check correct charge rate
for the battery being charged
Charger stops working
while operating
(1)Timer reaches preset time
(2)Charger over heat
(1)Adjust timer
(2)Wait for charger temper-
ature cool down
Voltmeter does not
work
(1)Switches in “off”
position
(2)12V/24Vswitch in
neutral
(1)Turn on power,adjust timer
and current
(2)Select 12Vor24V
Ammeter does not work
(1)No out put current
(1)Ammeter works while
under loading only
Cannot charging battery
(1)Incorrect cables connec-
tions
(2)Switches in “off”position
(3)Battery had been damaged
(1)Check cables connections
(2)Adjust switches to correct
position
(3)Check battery
P age.9
