www.meitavtec.com | [email protected] | M4000MD Digital HVAC Analyzer – Owner’s Manual | Pg. 17
6. MAINTENANCE
Your M4000MD requires no maintenance apart from battery replacement.
From time to time wipe the unit clean with a damp cloth. Do not use solvents
or abrasives. Occasionally inspect the coil cord for nicks and/or cuts and
return for replacement if any are found.
6.1.
Low
Battery Indication
The battery requires replacement when the LCD characters begin to
flash on and off.
6.2.
Battery
Replacement
To
replace
the battery, slide the battery compartment cover, located on
the back of the top portion of the unit, upward to access the battery.
Remove and replace with a new and/or a tested 9V alkaline battery.
Replace cover before operation.
