Majestic Appliances MJ-9900, Technical Manual

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23
A: 2 level pressure switch
1
_
Disconnect power and water supply from machine.
2
_
Move the machine to an open space for repair.
3
_
Remove back panel by removing three size SD3.5x13mm
screws.
4
_
Remove screw SD3.5x13; take out 2 level pressure switch from
cabinet.
5
_
Pull out all housing of wiring and hose from switch.
6
_
Replace a new switch, connect hose to position, move clamp to
proper position.
7
_
Connect housings of wiring to switch as fellow:
Housing No: PV11 to 11 terminal of switch,
Housing No: PV12 to 12 terminal of switch,
Housing No: PV13 to 13 terminal of switch,
Housing No: PV21 to 21 terminal of switch,
Housing No: PV22 to 22 terminal of switch,
Housing No: PV23 to 23 terminal of switch,
8
_
Fix screw SD3.5x13, amount the switch to cabinet.
9
_
Complete
.
B: 1 level pressure switch:
The process is same as above, wiring connect as fellow:
Housing No: PV11 to 1 terminal of switch,
Housing No: PV12 to 2 terminal of switch,
Housing No: PV13 to 3 terminal of switch,
Housing No: PV14 to 4 terminal of switch
How to change drying timer
1
_
Disconnect power from machine.
2
_
Remove top panel assembly by removing two size SD3.5x13mm
screws.
3
_
pull out timer knob from control panel.
4
_
unscrew two screw size M4x6 from control panel.
5
_
take out drying timer from control panel.
6
_
pull out all terminals of wiring.
7
_
change a new timer and connect terminals as fellow:
Plug terminal No: TAA of wiring to “a” terminal of timer,
Plug terminal No: TAA1 of wiring to “a1” terminal of timer,
Plug terminal No: TAB of wiring to “b” terminal of timer,
Plug terminal No: TAB1 of wiring to “b1” terminal of timer,
Plug terminal No: TAC of wiring to “c1” terminal of timer,
Plug ground terminal (green) of wiring to ground terminal of timer,
8 _
Use two screws size M4x6 amount timer to control panel .