Intelligent System Solutions® STEAM ● AIR ● HOT WATER
armstronginternational.com
Armstrong Hot Water, Inc. – DRV40-80 Gen. 2 Troubleshoot Guide
221 Armstron
Blvd.
Three Rivers
Michi
an 49093
U.S.A. Phone:
269
27
3602
Fax:
269
27
3130
Battery Error
Has the valve been reset
i.e.
owered off
then on
?
Check
Yes
No
Reset the valve by
powering down & then
owerin
back on
Have the batteries been
replaced within last year?
No
Re
lace Batteries
No
Ensure all wires are not
pinched & plugs are
connected
Are all cables/wires &
connectors ok?
Yes
Yes
Yes
No
Replace Ele. Housing
No
Re
lace Ele. Housin
Is the valve PCB
operational and ok?
Is the valve PSU
operational and ok?
Yes
Issue addressed or Contact
Factory @ 269-279-3602
Display Issues
Has the valve been reset
i.e.
owered off
then on
?
Check
Yes
No
Reset the valve by
powering down & then
owerin
back on
No
No
Adjust brightness via
POT adjustment screw on
PCB
Is the lighting/brightness
sufficient?
Yes
Yes
Replace display & keep
original to allow for a
spare in event heat
affects a
ain
Is the display
numerals/characters ok?
Issue addressed or Contact
Factory @ 269-279-3602
Key:
PSU = Power Supply GDA = Gear Drive Assembly
PCB = Printed Circuit Board