Replacement Procedure - Honeywell DCP301 User Manual

Replacement procedure

Handling Precautions
• Replace with the lithium battery set (model No.: 81446431-001). The lithium
• When removing or mounting the RAM board or battery connectors, do not use
• While the battery is removed for battery replacement, the capacitor on the RAM
When the BAT LED starts blinking, follow the procedure below to replace the battery.
(1) Leave the controller turned ON for at least 1h.
(2) Turn the power OFF.
(3) Remove the key cover from the console, and fully loosen the lock screw under
(4) Before handling components inside the controller, touch a grounded metal part to
(5) Pull the body out towards you to remove from the case.
battery set can be ordered from Yamatake Corporation.
metallic tools. Doing so might short-circuit electrical circuits.
board backs up the contents of memory.
As this capacitor is charged, make sure that the controller is left ON for at least
1h before replacing the battery. Insert the new battery on the RAM board within
24h of turning the controller OFF.
a Phillips screwdriver.
>> The body comes out towards you.
Comes out towards you.
remove any static electricity from the body.
>> You should be able to see the button-shaped battery on the left facing the body.
Chapter 9. TROUBLESHOOTING
Key cover
Battery
ENT
with
Lock screw
9-11