Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
16022149
©2005 Maytag Services
18
Refer to Technical Sheets for specific model information.
NOTE: For the following test, place oven in Service Test Mode.
Relay Function
Test
Set-Up
Meter
Setting
Probe Placement
Results
K1 at
230 VAC
line voltage
Blower motor
Antenna motor
Cavity light
Disconnect
J2 connector
Ohms
J1 pin 1 (Brown wire)
& J2 pin 4
Test mode 5 off
−
no continuity
Test mode 5 on
−
< 1
Ω
H.V. Board
−
Relay Test
Three Magnetron Models
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
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
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
Two Magnetron Models
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
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
