Maintenance And Repair; Cleaning; Troubleshooting - Honeywell NK User Manual

5 Maintenance and Repair

5.1 Cleaning

Clean the exterior and front panel of the Model NK with a damp (not wet) soft
cloth.

5.2 Troubleshooting

5.2.1 Low Battery
The red
low battery
below 4.6 volts or that a battery is installed incorrectly. Although the unit can be
operated with weak batteries, it may produce inaccurate readings.
Note: We recommend alkaline batteries. To safeguard the circuitry, remove the
batteries when not using the unit for a long period of time.
Replace the batteries according to the following procedure:
1. Flip the
on/off
2. Loosen all four captive fasteners and remove the panel from the case.
Maintenance and Repair
light on the front panel indicates that the battery voltage is
toggle switch on the front panel to .
off
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