tennat NOBLES S6, Technical & Service Manual

Page: 53 / 57

PLDC04348
REVISION 00
November 09, 2020
TECHNICAL OFFICE
November 06, 2020
53
of
58
E1 TROUBLESHOOTING
1
Make certain that the battery of the machine is
charged (12V ± 1V).
A
If charge is low, recharge the battery. If battery is
spent, replace it.
B
If battery does not charge, go to point 2.
2
Check fuse F6 (1.25A - T)
A
If fuse is burnt out, replace it.
B
If fuse is intact, go to point 3.
3
Check fuse F1 (20A)
A
If fuse is burnt out, replace it.
B
If the fuse is intact, go to point 4.
3
Check battery wiring.
A
If wiring is damaged, repair or replace as necessary.
B
If wiring is intact, go to point 5.
4
Check battery charge circuit (transformer and power
pcb)
A
If transformer works as normal, replace power circuit
board.
B
If transformer is not working, replace it.
E1.1.1 The machine does not switch on
1
Switch on the suction motor only.
A
If motor starts up, go to point 2.
B
If motor fails to start, go to point 5.
2
Check for correct assembly of filter.
A
If assembly is wrong, reassemble correctly.
B
If assembly is correct, go to point 3.
3
Check filter for clogging.
A
Disassemble filter and ensure dirt is not excessive,
then proceed with cleaning and/or go to point 4.
B
Replace filter element if damaged.
4
Check that all flaps are intact and/or not excessively
worn
A
If flaps are intact and levels of wear acceptable,
replace the air filter.
B
Replace flaps if damaged or worn excessively.
5
Connect suction unit directly to battery.
A
If suction is working, go to point 6.
B
If suction is not working, replace the unit.
5
Proceed to conduct test described in heading D1.5.
A
If suction is not working, check wiring between
power pcb and display pcb.
B
If suction is working, replace the display circuit
board.
E1.1.2 No suction on the machine
E1.1 Troubleshooting