Meler Micron 5 - Hose Issues

MA-5079-ENG MICRON GEAR ADHESIVE MELTER
6-9
TROUBLESHOOTING
Micron with 1 geared motor
Note Hose 1 Hose 2 Hose 3 Hose 4 Hose 5 Hose 6
(1) CN9 / M1 CN9 / M2 CN10 / M3 CN10 / M4 CN11 / M5 CN11 / M6
(2) F04 F05 F06 F07 F08 F09
(3) CN9 / M1 / DL3 CN9 / M2 / DL5 CN10 / M3 / DL7 CN10 / M4 / DL9 CN11/ M5 /DL11 CN11/ M6 /DL13
(4) DL3 DL5 DL7 DL9 DL11 DL13
(5) CN2 CN3 CN4 CN5 CN6 CN7
Causes Checking Comments Actions
Hose damaged.
Replace the hose by
another one that works.
Change hose channel. Change hose.
Pins and wiring
damaged.
Check voltage between
board and hose-output
connector (with the hose
plugged).
CN(*) connector (black wire-neutral
and blue wire-hose M(*))
( 1 )
Change connectors.
Ribbon cable wrong
placed.
Observe ribbon cable
connection.
Ribbon cable correct if red LED light
on (DL15).
Put ribbon cable correctly.
Power board fuse
damaged.
Verify fuse continuity.
( 2 )
Check continuity with the unit
turned off.
Change fuse.
Power board
damaged.
Check voltage at the board
output (with the hose
plugged).
CN(*) board connector (black wire-
neutral and blue wire-hose M(*)).
Fuse shows continuity. DL(*) LED
light remains on.
( 3 )
Change power board.
Hose
Hose does not heat
Causes Checking Comments Actions
Power board
damaged.
Check power board.
DL(*) LED green indicator is
continuously off.
( 4 )
Change power board.
Control board
damaged.
--
DL(*) LED green indicator is
continuously on.
( 4 )
Change control board.
Hose does not stop heating
Causes Checking Comments Actions
Hose temperature
sensor malfunction.
Replace the hose by
another one that works.
Change hose channel. Change hose.
Sensor wiring.
Check sensor board and
hose connector.
CN(*) sensor board connector
(black and green wire).
( 5 )
Change connector.
Sensor board
malfunction.
Last failure option.
Check first sensors, connections
and wirings.
Change the sensor board.
Temperature fluctuations in hose