Part Number 000015432 Rev02 5/21 93
Relay Operation Check
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Warning
Disconnect electrical power to the ice machine before
proceeding.
1. Disconnect wires from relay terminals.
2. Verify the contacts are closed.
Measure the resistance between terminals 1 and 2.
No continuity indicates open contacts. Replace the
relay.
3. Check the relay coil.
Measure the resistance between terminals 2 and
5. No resistance indicates an open coil. Replace the
relay.
4. Move toggle switch to the ICE position.
5. The compressor start winding should energize for less
than 1 second. Continued high amperage draw could
indicate:
• Low incoming power supply.
(Check voltage at compressor start-up when load
is greatest.)
• Defective relay.
• Defective capacitor.
• Defective compressor.
6. Verify voltage and replace all start components.
7. If all of the previous tests are satisfactory and the
compressor will not operate or continue to operate,
replace the compressor.
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