Watches — diagnostics and checks

Inspection and verification

1. Check the validity of the customer's complaint by activating the system.

2. Perform a visual check for obvious signs of mechanical and electrical damage.

Visual Inspection Table

Electrical factors:

• Fuse (And)
• Scheme
• Internal damage to the watch
• Loose or corroded connectors

3. If an obvious cause for a noted or received complaint is found, troubleshoot (if it is possible) before moving on to the next step.

4. If the problem is not obvious, check the symptom and refer to the Troubleshooting Table.

Trouble symptom table

State	Possible Causes	Action
• The clock does not function	•Fuse (And). •Electrical circuit (And) •Watch.	•GO to Pinpoint Test A
• The backlight of the clock does not work.	•Fuse (And). •Electrical circuit (And). •Bulb.	• For more information, see Section 413-00.