Installation
1-62 Manual # 42-02-2P26
Traction Acceptance Tests
The UTILS, Safety Test menu will guide you through test instructions for those tests for which
automated assistance is pertinent. See page 1-64.
Manual Tests
Manual tests include:
• Safety string test
• Motor contactor proofing
• Brake contactor proofing, page 1-63
• Ascending car overspeed, page 1-63
• Unintended motion, page 1-63
Safety String Test
This test verifies the Safety String is working correctly.
SAFH Safety String Test
1. Remove the wire from SCE-HVI board terminal SAFH or activate any safety device in
the string.
2. The message SAFH LOW will appear on the display.
3. Verify that the car cannot be run.
4. Reinstall the wire.
SAFC Safety String Test
1. Remove the wire from SCE-HVI board terminal SAFC or activate any safety device in
the string.
2. The message STOP SW ON will appear on the display.
3. Verify that the car cannot be run.
4. Reinstall the wire.
Motor Contactor Proofing Test
This test simulates a stuck motor contactor. The test should be performed with the car stopped
and with the car in motion. Once the fault is generated, the car should not be allowed to move
until the contactor is unstuck.
Car Stopped at Floor This test is performed with the car stopped at a floor.
1. Use a non-metallic object to activate the PM contactor.
2. Observe that the car will not run. Touch screen displays “PMP failed to turn off”.
Car in Motion The car is in motion when this test is performed.
1. Place a call.
2. Once the car is in motion, use a non-metallic object to activate and hold the PM contac-
tor “on”.
3. After the car stops at the designated floor, verify that it will not continue to run.
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