Midmark M11 - Main PC Board: Relay Test; Main PC Board: Pressure Transducer Voltage Test

English-115
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: mo/dd/yr]
Meter Reading Required Action
acceptable range: 10 to 14 VDC Main PC board is OK
any reading out of the
acceptable range
Replace Main PC board
Main PC Board - continued
Testing
Service Tip:
This test checks for proper supply voltage to all of the following components:
Heating Element, Door Motor, Fill / Vent Valve, Air Valve.
Main PC Board: Relay Test
A) Set meter to ‘20 VDC’
B) Place black meter probe on TP2 as shown.
C) Place red meter probe on TP1 as shown.
Service Tip:
This test checks for proper supply voltage to pressure transducer.
Main PC Board: Pressure Transducer Voltage Test
A) Set meter to ‘20 VDC’
B) Place meter probes on transducer pins 1 & 3* as shown.
*Note: Pin position is referenced top to bottom. (top pin = 1, bottom pin=4)
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
midmark.com
Style A