Issue 1 NEC America, Inc.
6 - 2 Troubleshooting
Warning tone and NO
SERVICE message
• Move closer to the base unit.
Handset does not ring • The lead-acid battery may be weak. Charge
the battery pack for eight hours.
• Make sure the base unit antenna is fully
vertical.
• The handset may be too far from the base
unit.
Table 6-1 Troubleshooting
Problem Suggestion
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