TRACKMASTER Ch. 4 Hi-Pot Test
317-160-406 Rev 4 TMX428 TMX428CP & TMX58 Service Manual 29
May 2021
Hi-Pot Test Instructions
This test must only be performed by a qualified electrician.
Your Trackmaster
®
Treadmill has been Hi-Pot tested at the factory just prior to shipment and found to be
within specifications. However, some facilities require Hi Pot test verification before the treadmill is put
into service. The following instructions must be followed to prevent permanent damage to the
Trackmaster
®
electronic control system. Failure to follow these instructions will void your warranty.
NEVER USE AN AC HI-POT TESTER ON THIS TREADMILL!
Using an AC Hi-Pot tester will permanently damage the DC motor controller board rendering the
treadmill inoperable.
Hi-Pot test instructions for Treadmills
1. Unplug the surge suppresser from the main
wire harness.
2. Attach DC Hi-Pot tester ground clip to a known
chassis ground on the treadmill.
3. For 110V models: Test at 1.75 KV DC for 60
seconds. This is equivalent to 1240 VAC.
4. For 220V models: Test at 2.10 KV DC for 60
seconds. This is equivalent to 1488 VAC.
The tester should register a PASS for either
test.
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