Name Date
Index
Name Date
Designation Document
No.
Page
JF
05.07.13
Service Manual BB 150
50 079 823
2 / 2
50078923_06_CN
RESISTOR TESTS
(refer to the circuit diagram, disconnect the unit from the mains power supply)
BB 150
Item
Comment
Procedure
Equipment
Result for 230 VAC
E1; Door heater
Disconnect the plug and measure the
resistance
Meter 167
Ω
– 185
Ω
E3; Sample chamber,
left side
Disconnect the plug and measure the
resistance
Meter 2458
Ω
– 2846
Ω
E4; Sample chamber,
right side
Disconnect the plug and measure the
resistance
Meter 2458
Ω
– 2846
Ω
E5; Sample chamber,
rear wall
230 V – Units, Cu
and VA
Disconnect the plug and measure the
resistance
Meter 2294
Ω
– 2656
Ω
E6; Sample chamber,
front side and top
230 V – Gerät in VA Disconnect the plug and measure the
resistance
Meter 331
Ω
– 383
Ω
E8; Sample chamber,
base
Disconnect the plug and measure the
resistance
Meter 594
Ω
– 688
Ω
Y1; Magnetic valve
Cold resistor
Loosen the connection and measure the
resistance
Meter ~126
Ω
S2; Door switch
Loosen the connection and check the
operation.
Glass door open
Glass door closed
Meter
Switch closed
Switch open
0
Ω
∞
Ω
0
Ω
∞
Ω
VOLTAGE TESTS
(refer to the circuit diagram, connection diagram)
Item Location
Procedure
Instrument
Result