Machine Completely Dead - Power Diagnostic
Vendo Vendo V2
Machine Completely Dead - Power Diagnostic
This diagnostic process systematically checks the entire power path, starting from the facility's electrical source all the way to the machine's internal logic board.
Qualified technician handoff: stop before live electrical testing, sealed-system refrigeration work, compressor service, or protected-compartment access unless a qualified technician is handling the work.
- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Checklist
Guided Diagnostic Steps
Work from low-risk checks toward technician-level inspection only when evidence supports it.
You can read or print the route now. The first checkbox click opens the service contact gate.
- 1
Use a known-good lamp or outlet tester to confirm the wall outlet has...
operator-intermediatehighUse a known-good lamp or outlet tester to confirm the wall outlet has power.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Initial condition is documented before deeper diagnosis.
Evidence to note: note
- 2
Visually inspect the entire power cord for any signs of damage like c...
operator-intermediatehighVisually inspect the entire power cord for any signs of damage like cuts or kinks.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Initial condition is documented before deeper diagnosis.
Evidence to note: note
- 3
Use a known-good lamp or outlet tester to confirm the wall outlet has...
operator-intermediatehighUse a known-good lamp or outlet tester to confirm the wall outlet has power.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 4
Visually inspect the full length of the power cord from plug to machi...
operator-intermediatehighVisually inspect the full length of the power cord from plug to machine entry point.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 5
With machine unplugged, access the main fuse or circuit breaker locat...
operator-intermediatehighWith machine unplugged, access the main fuse or circuit breaker location and inspect it.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 6
With machine safely powered and using appropriate safety precautions,...
operator-intermediatehighWith machine safely powered and using appropriate safety precautions, measure the low-voltage DC output from the power supply section for a qualified technician.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 7
Measure voltage at the controller board power input connector to conf...
operator-intermediatehighMeasure voltage at the controller board power input connector to confirm the power supply is delivering voltage to the logic board for a qualified technician.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 8
If the wall outlet does not have confirmed power, this is a facility...
operator-intermediatehighIf the wall outlet does not have confirmed power, this is a facility electrical issue outside the vending machine.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 9
If the power cord is damaged, it must be replaced before the machine...
operator-intermediatehighIf the power cord is damaged, it must be replaced before the machine is energized.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 10
Replace the blown fuse with one of identical type and rating and obse...
operator-intermediatehighReplace the blown fuse with one of identical type and rating and observe.
Digital MultimeterOutlet TesterFlashlight or Work LightStop conditions- For checking internal fusing, checking low-voltage power supply output, verifying controller power input, checking the harness between power supply and controller, or diagnosing a controller fault, you must engage a qualified technician.
- If the initial power source check fails, or if any internal electrical component requires testing or replacement, a qualified technician must perform the work.
Expected: Result is documented before continuing the route.
Evidence to note: note
Tools for this route
Parts status
Exact public parts list not verified yet. Use this route to identify the system before ordering.
Candidate areas for part verification
Other Possible Issues
Switch routes if this symptom is not the closest match.