35
Component Testing Procedures (Invensy Board)
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
H.V. Board Relay Test
Three Magnetron Models
KFC2W2, MC23MPTW2, MC23MPW2, RC30S2 and MRC30S2
Relay Function Test Set-Up Meter
Setting
Probe Placement Results
K8
Magnetron 1
(Top rear) at
230 VAC
All wires
connected to
H.V. board
VAC E2 (Black wire)
& J4 pin 2 (Red wire)
Test mode 1 off line voltage
Test mode 1 on 0 volts
K9 Magnetron 1
(Top rear) at
208 VAC
All wires
connected to
H.V. board
VAC E2 (Black wire)
& J4 pin 1 (White wire)
Test mode 1 off line voltage
Test mode 1 on 0 volts
K4
Magnetron 2
(Top front) at
230 VAC
All wires
connected to
H.V. board
VAC E5 (Red wire)
& J3 pin 1 (Gray wire)
Test mode 2 off line voltage
Test mode 2 on 0 volts
K5 Magnetron 2
(Top front) at
208 VAC
All wires
connected to
H.V. board
VAC E5 (Red wire)
& J3 pin 3 (Orange wire)
Test mode 2 off line voltage
Test mode 2 on 0 volts
K6
Magnetron 3
(Bottom) at
230 VAC
All wires
connected to
H.V. board
VAC J4 pin 4 (Black wire)
& J4 pin 6 (Black wire)
Test mode 3 off line voltage
Test mode 3 on 0 volts
K7 Magnetron 3
(Bottom) at
208 VAC
All wires
connected to
H.V. board
VAC J4 pin 4 (Black wire)
& J4 pin 5 (Brown wire)
Test mode 3 off line voltage
Test mode 3 on 0 volts
Two Magnetron Models DQ22HSI2, RC17S2, RC17SDOSI, MRC17S2, RC22S2 and
WDYRC22
Relay Function Test Set-Up Meter
Setting
Probe Placement Results
K8
Magnetron 1
(Top rear) at
230 VAC
All wires
connected to
H.V. board
VAC E5 (Red wire)
& J4 pin 2 (Red wire)
Test mode 1 off line voltage
Test mode 1 on 0 volts
K9 Magnetron 1
(Top rear) at
208 VAC
All wires
connected to
H.V. board
VAC E5 (Red wire)
& J4 pin 1 (White wire)
Test mode 1 off line voltage
Test mode 1 on 0 volts
K6
Magnetron 3
(Bottom) at
230 VAC
All wires
connected to
H.V. board
VAC J4 pin 4 (Black wire)
& J4 pin 6 (Black wire)
Test mode 3 off line voltage
Test mode 3 on 0 volts
K7 Magnetron 3
(Bottom) at
208 VAC
All wires
connected to
H.V. board
VAC J4 pin 4 (Black wire)
& J4 pin 5 (Brown wire)
Test mode 3 off line voltage
Test mode 3 on 0 volts
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