Midmark M11 - Temperature Sensor: Resistance Test; Temperature Sensor: Supply Voltage Test

English-104
004-1032-00
TP210 Rev. A
© 2012 Midmark Corp. | 60 Vista Drive Versailles, OH 45380 USA | 1-800-643-6275 | 1-937-526-3662 |
[Revised: 12/3/14]
Temperature Sensor - continued
Testing
Temperature Sensor: Supply Voltage Test
A) Disconnect sensor harness from J12 on PC board.
B) Set meter to ‘20 VDC’
C) At J12 on PC board, place meter probes on pins 1 & 2 as shown.
Meter Reading Required Action
acceptable range: 4.0 to 6.0 VDC Main PC board is OK
any reading out of the
acceptable range
Replace Main PC board
Service Tip:
Residue build-up can cause inaccurate temperature / pressure readings.
Clean the sensor probe with Speed-Clean and distilled water.
Temperature Sensor: Resistance Test
A) Allow sensor to cool to room temperature before testing.
B) Disconnect sensor harness from J12 on PC board.
C) Set meter to ‘2K Ω’
D) Place meter probes on red and white sensor wires as shown.
Meter Reading Required Action
acceptable range: 1.07 to 1.1 k
Ω
Perform Supply Voltage Test
any reading out of the
acceptable range
Replace temperature sensor
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Style A