
No power or dead display Review
Other M158.0 Voce New
No power or dead display Review
This flow covers intermediate troubleshooting steps for general operational checks.
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.
- If the diagnostic process points to internal electrical faults or refrigeration issues, please contact a qualified technician.
- Any work involving the main power supply or internal controls must be handled by a qualified technician.
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
Check the physical integrity of the coin acceptance area and dispensi...
operator-intermediatemediumCheck the physical integrity of the coin acceptance area and dispensing mechanisms.
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.
Stop conditions- If the diagnostic process points to internal electrical faults or refrigeration issues, please contact a qualified technician.
- Any work involving the main power supply or internal controls must be handled by a qualified technician.
Expected: Initial condition is documented before deeper diagnosis.
Evidence to note: note
- 2
Verify that all visible service panels are securely closed and latched.
operator-intermediatemediumVerify that all visible service panels are securely closed and latched.
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.
Stop conditions- If the diagnostic process points to internal electrical faults or refrigeration issues, please contact a qualified technician.
- Any work involving the main power supply or internal controls must be handled by a qualified technician.
Expected: Initial condition is documented before deeper diagnosis.
Evidence to note: note
- 3
Use public-safe diagnostic guidance.
operator-intermediatemediumUse public-safe diagnostic guidance.
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.
Stop conditions- If the diagnostic process points to internal electrical faults or refrigeration issues, please contact a qualified technician.
- Any work involving the main power supply or internal controls must be handled by a qualified technician.
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.
