Armstrong DRV40 Troubleshoot Manual - Page 3

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Armstrong Hot Water, Inc. – DRV40-80 Gen. 2 Troubleshoot Guide
221 Armstrong Blvd., Three Rivers, Michigan 49093 – U.S.A. Phone: (269) 279-3602

Battery Error

Check
Has the valve been reset
No
(i.e. powered off, then on)?
Yes
Have the batteries been
No
replaced within last year?
Yes
Are all cables/wires &
No
connectors ok?
Yes
Is the valve PCB
No
operational and ok?
Yes
Is the valve PSU
No
operational and ok?
Yes
Issue addressed or Contact
Factory @ 269-279-3602
Reset the valve by
powering down & then
powering back on
Replace Batteries
Ensure all wires are not
pinched & plugs are
connected
Replace Ele. Housing
Replace Ele. Housing
Intelligent System Solutions®
armstronginternational.com
Fax: (269) 279-3130
 
 

Display Issues

 
Check
 
 
Has the valve been reset
(i.e. powered off, then on)?
 
 
Yes
 
 
Is the lighting/brightness
 
sufficient?
 
 
Yes
 
 
Is the display
 
numerals/characters ok?
 
 
Yes
 
 
Issue addressed or Contact
 
Factory @ 269-279-3602
 
 
 
 
 
 
 
 
 
 
 
PSU = Power Supply
PCB = Printed Circuit Board
S T E A M ● A I R ● H O T W A T E R
Reset the valve by
No
powering down & then
powering back on
Adjust brightness via
No
POT adjustment screw on
PCB
Replace display & keep
original to allow for a
No
spare in event heat
affects again
Key:
GDA = Gear Drive Assembly