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TROUBLESHOOTING
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MOBIFLEX 400-MS(/HE) BASE UNIT & LFA 3.1/4.1 MOBILE MANUAL/AUTOMATIC
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local
Lincoln Authorized Field Service Facility
for technical troubleshooting assistance before you proceed.
CAUTION
MOBIFLEX 400-MS(/HE) BASE UNIT
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Machine does not react to pressing
filter cleaning ON/OFF - RESET
button. Activating off-line cleaning
and reset not possible.
Filter cleaning ON/OFF - RESET
button defective.
Replace filter cleaning ON/OFF -
RESET button.
Control PC board defective.
Replace control PC board.
Replace LongLife filter cartridge
(
See LongLife Filter Cartridge
).
Throttle valve closed.
Open throttle valve.
Prefilter clogged.
Clean (
See Periodic Maintenance
)
or replace (
See Prefilter
) the pre-
filter.
Outside air is being extracted.
Check or replace the sealing mate-
rial.
Outlet grid blocked.
Remove obstructions from the out-
let grid.
Extraction fan polluted.
Clean the extraction fan.
24 VAC supply defective.
Repair 24 VAC supply.
Dust or smoke coming out of the fil-
ter cover. Pollution of the facility.
LongLife filter cartridge damaged.
Replace LongLife filter cartridge
(
See LongLife Filter Cartridge
).
Sealing on LongLife filter cartridge
damaged.
Replace LongLife filter cartridge
(
See LongLife Filter Cartridge
).
LongLife filter cartridge placed
incorrectly.
Replace the LongLife filter car-
tridge or place correctly.
Sealing material of dust tray defec-
tive.
Replace sealing material.
Dust or smoke coming out of the
dust tray. Pollution of the facility.
Dust tray installed incorrectly.
Position dust tray correctly.
Vibrations in the machine. Machine
not steady.
Imbalance in the extraction fan.
Clean the extraction fan.
Poor suction. Machine does not
function properly.
LongLife filter cartridge clogged.
Carry out off-line filter cleaning
cycle (
See Off-line Cleaning
) and
check that control light is on.