Mikuni MY Series User Manual

MY16 FAULT FINDING SEQUENCE
RED LIGHT ON
THE THERMOSTAT
FLASHES SLOWLY.
IS THE 12/24V
SUPPLY CORRECT?
SUSPECT ELECTR
ONIC
CONTROL BOX.
DO YOU HAVE A
12/24V SUPPLY?
IS THE MAIN
30A FUSE O.K?
CHECK FOR LOOS
E CONNECTION
OR CORROSION O
F TERMINALS
ON THE MAIN PO
WER FEED
.
REPLACE!
HEATER MOTOR
STARTS
CHECK THE SELF DIAGNOSTIC
LAMP IN THE CONTROL BOX AND READ
NUMBER OF FLASHES.
IS THE LIGHT
FLASHING 5 TIMES?
REFER TO SEPERATE SHEET
DESCRIBING SELF DIAGNOSTICS.
IS THE MOTOR
FUSE BLOWN?
CHECK MOTOR BY
APPLYING
SUPPLY VOLTS D
IRECTLY TO IT
.
REPLACE
MOTOR.
SUSPECT CONTROL BOX AND CHECK CONTINUITY
OF WIRING LOOM.
REPLACE!
12V = 7.5A
24V = 5A .
IF THE MOTOR FUSE FAILS AGAIN
SUSPECT MOTOR. IF THE MOTOR RUNS
CONTINUOUSLY AT FULL SPEED FROM SWITCH
ON, CHANGE THE CONTROL BOX.
IF THE VOLTAGE IS LOW CHECK THE
VEHICLE BATTERIES OR CORROSION
OF TERMINALS ON THE MAIN BATTERY FEED.
IF THE FUSE BL
OWS AGAIN CHECK THE
GLOW PLUG.IF IT IS COVER
ED WITH CARBON
CLEAN THOROUGH
LY OR REPLACE
.
IS THE GREEN LIGHT
ON THE THERMOSTAT
ILLUMINATED?
TURN UP
THE DIAL
ON STAT.
SWITCH
ON
FUEL PUMP STARTS
15 SECS AFTER SWITCH ON.
SUSPECT FUEL PUMP OR
BLOCKAGE IN FUEL LINE.
HEATER IGNITES
AND
CONTINUES TO R
UN
DOES THE HEATE
R EMIT
WHITE SMOKE FR
OM
THE EXHAUST
CHECK THE FUEL
SUPPLY
AND ALSO FOR F
OULING OF
THE GLOW PLUG.
DOES THE HEATE
R RUN FOR
ABOUT 3 MINS AND STOP?
IF THE HEATER
EMITS WHITE SMOKE AND POPS
THEN IT WILL R
EQUIRE DISMANTLING AND CLEANING
SUSPECT FLAME
SENSOR
-
REPLACE!
OVERHEAT THERMOSTAT
IS ACTIVATED
1.CHECK AIR INLET FILTER 2.CHECK FOR DAMAGED DUCTING 3.CHECK FOR BLOCKAGE OF AIR OUTLET GRILL 4.SUSPECT OVERHEAT THERMOSTAT.
AFTER 2 MINS COOL DOWN
CYCLE THE HEAT
ER STOPS
TEST COMPLETE!
SUSPECT CONTROL
BOX
OR ON/OFF SWITCH FAI
LURE
SWITCH OFF
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO GO.
O.K.
- 11 -

Mikuni MY Series Specifications

General

Brand	Mikuni
Model	MY Series
Category	Heater
Language	English