NEC DTH-4R-2 - CORDLESS Lite II BLAC Owner's Manual page 52

Document Revision 3
6 - 2
Table 6-1 Troubleshooting (Continued)
Problem
Conversation is interrupted
frequently.
Warning tone and NO
SERVICE message
Handset does not ring
Suggestion
• Make sure the base unit antenna is fully
vertical.
• Move closer to the base unit.
• Check for low batt warning.
• Move closer to the base unit.
• The nickel-cadmium 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.
• Make sure the ringer on/off switch is in the
ON position.
NEC Unified Solutions, Inc.
Troubleshooting