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Electrical Troubleshooting Simulator

Pick the active lead, tap a test point, then identify the fault.

Score 0
Streak 0
easy
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Active lead:
🔴 Red (unplaced)
⚫ Black (unplaced)
120 VAC MOTOR CONTROL CIRCUITL1NFU1STOPSTARTCR1 seal-inCR1CR1-NOM1OL 95/9624 VDC SENSOR / SOLENOID CIRCUIT+24V0VPROXPNPPLC INSOL VALVEGNDTP1TP2TP3TP19TP4TP5TP6TP18TP7TP8TP9TP10TP11TP12TP15TP14TP13TP16TP17AMP1AMP2AMP3TPG
VACLIVE
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De-energize via the LOTO button before any ohms test.
Meter checks: 0 · Hints used: 0
Challenge 1 of 43

Identify the fault

Symptom: Operator presses START — nothing happens, no relay click, no panel lights.