31
Designs, materials, weights and performance ratings
are approximate and subject to change without notice.
Visit
armstrong
international.com for up-to-date information.
DRV40-80 Gen. 2 Troubleshoot Guide
Battery Error
Display Issues
Has the valve been reset
(i.e. powered off, then on)?
Has the valve been reset
(i.e. powered off, then on)?
Have the batteries been
replaced within last year?
Is the lighting/brightness
sufficient?
Are all cables/wires & con-
nectors ok?
Is the display
numerals/characters ok?
Is the valve PCB operational
and ok?
Issue addressed or Contact
Factory @ 269-279-3602
Is the valve PSU operational
and ok?
Reset the valve by
powering down & then
powering back on
Reset the valve by
powering down & then
powering back on
Replace Batteries
Adjust brightness via
POT adjustment screw
on PCB
Ensure all wires are not
pinched & plugs are
connected
Replace display & keep
original to allow for
a spare in event heat
affects again
Replace Ele. Housing
Replace Ele. Housing
Issue addressed or Contact
Factory @ 269-279-3602
Check
Check
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Key:
PSU = Power Supply
GDA = Gear Drive Assembly
PCB = Printed Circuit Board
