Midmark M11 - Heating Element: Resistance Test; Heating Element: Supply Voltage Test

English-91
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: 9/26/17]
Heating Element - continued
Testing
Heating Element: Resistance Test
A) Remove the bottom cover.
B) Disconnect wires from heating element terminals.
C) Set meter to ‘200 Ω’
D) Place meter probes on heating element terminals.
Meter Reading
(Acceptable Range)
Required Action
115V models: 9 to 11
Ω
Perform PC Board Relay Test
230V models: 34 to 42
Ω
Meter Reading Required Action
any reading out of the
acceptable range
Replace heating element
Meter Reading Required Action
Line voltage (120 or 230 VAC) PC board is OK
any reading other
than line voltage
Replace PC board
Heating Element: Supply Voltage Test
A) Back wire terminals slightly off J3 & J4 on PC board
leaving them still attached.
B) Set meter to ‘VAC’
C) Activate the Service Diagnostics Mode.
D) Initiate the I/O Test.
E) Energize the Steam Heater. [The heating element will
energize for approx. 15 seconds, then shut off.]
F) Place meter probes on J3 & J4 on PC board.
midmark.com
Style A