Mindray BeneVision N12 - Technical Alarm and Failure Symptom Guide

BeneVision N17/BeneVision N15/BeneVision N12 Patient Monitor Service Manual 4-2
4.5 Technical Alarm Check
Before troubleshooting the patient monitor, check for technical alarm message. If an alarm message is
presented, eliminate the technical alarm first. For detailed information on technical alarm messages,
possible causes and countermeasures, refer to N series Operator’s Manual (P/N: 046-011259-00).
4.6 Troubleshooting Guide
4.6.1 Power On/Off Failures
Failure Symptom Possible Cause Countermeasure
Power on failure
AC mains not
connected or
insufficient battery
power or battery
damaged
 Verify the AC mains is properly connected.
 Verify the battery capacity is sufficient and the
batter is not damaged.
Cable defective or
improperly connected
 Verify the cable connecting the power-on/off
button board to the main control board.

Verify the connecting cable connectors and
corresponding sockets are not damaged.
Power s
witch and
indicator board
damaged
Replace the power switch and indicator board.
Power module
defective
Replace the power module.
Main control board
failure
Replace the main control board.