Armstrong The Brain DRV80 Panduan Pemecahan Masalah

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Halaman Cetak
Armstrong Hot Water, Inc. – DRV40-80 Gen. 2 Troubleshoot Guide
221 Armstrong Blvd., Three Rivers, Michigan 49093 – U.S.A. Phone: (269) 279-3602
Motor Error/Safe Mode
Check
Has the valve been reset
No
(i.e. powered off, then on)?
Yes
Is the front electronics
No
enclosure closed?
Yes
Are the valve internals free
No
of debris and clean?
Yes
Are the O-Rings/Seals in
No
good condition & not
preventing the spool travel?
Yes
Is the motor operational?
(i.e. is it able to turn/drive
No
gears?)
Yes
Is the magnetic rotor
attached to the motor
operational?
Reset the valve by
powering down & then
powering back on
Close door fully against
valve body
Remove valve internals
and thoroughly clean
Remove valve internals &
check O-rings/Seals to
ensure they are smooth;
if not, replace
Replace motor
Intelligent System Solutions®
armstronginternational.com
Fax: (269) 279-3130
 
 
Is the valve free of any
 
leaks coming out of bottom
Yes
 
of valve?
 
Yes
 
 
 
Are all cables/wiring &
connectors ok?
 
 
Yes
 
 
Are supply pressures
 
nominally equal (within
 
5psi)?
 
 
Yes
 
 
Is the valve PCB
 
operational and ok?
 
Yes
 
 
 
Is the valve PSU
operational and 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
Check strength of
magnets inside rotor; if
not sufficient, replace
No
rotor
No
Replace GDA
Ensure all wires are not
pinched & plugs are
No
connected; if needed
replace cable loom
Equalize pressures
No
No
Replace Ele. Housing
No
Replace Ele. Housing
Key:
GDA = Gear Drive Assembly