Valve does
not regenerate
automatically
when
REGEN
button is pressed
A. transformer unplugged
A. connect transformer and PC board power
B. no power at outlet
B. restore power
C. broken drive gear or drive cap assembly
C. replace gear or drive cap assembly
D. defective PC board
D. replace board
Valve does
not regenerate
automatically
but does when
REGEN
button is
pressed
A. bypass valve not in normal operating mode
A. see bypass diagrams on page 4
B. meter disconnected
B. reconnect to PC board
C. obstructed meter turbine
C. clear obstruction
D. defective meter
D. replace meter
E. programming error
E. review programming
F. defective PC board
F. replace board
ERROR
followed by code #
Error code 1001:
unable to recognize
start of regeneration
Error code 1002:
unexpected stall
Error code 1003:
motor ran too long
Error code 1004:
motor ran too long
Error code 1009,
2001, 4002, 4003,
4004, 4010: circuit
board failure
_______________
TWIN ALT SYSTEMS
Error code 1006:
motor ran too long
Error code 1007:
unexpected stall
A. valve has just been serviced (#1001)
A. press
NEXT
and
REGEN
for 5 seconds or
momentarily unplug power source from
PC board
B. motor gears not fully engaged —
motor wires broken — failed motor (#1001)
B. check motor wiring
C. foreign material stuck in valve (#1002)
C. check piston and spacer stack for
obstruction
D. excessive piston resistance (#1002)
D. replace piston(s) and spacer stack assembly
E. piston not in home position (#1004)
E. press
NEXT
and
REGEN
for 5 seconds or
momentarily unplug power source from
PC board
F. center drive gear reflector dirty or damaged
— missing or broken gear (#1004)
F. replace or clean drive gear(s)
G. drive bracket incorrectly aligned on
backplate (#1004)
G. reset drive bracket
H. PC board is damaged or defective
(#1009, 2001, 4002, 4003, 4004, 4010)
H. replace PC board
I. PC board incorrectly aligned on drive bracket
(#1009, 2001, 4002, 4003, 4004, 4010)
I. reset PC board onto drive bracket
If other codes appear, contact dealer.
15
PROBLEM
CAUSE
CORRECTION
