TM 10-4610-310-14
0080 00
CORRECTIVE
MALFUNCTION
TEST/INSPECTION
ACTION
If voltage is present and no fault is
found at receptacle assembly,
1. Ensure that the distribution
Replace Backwash
pump and cable is
pump if motor starter
serviceable.
module for the
2. Connect the dist. pump
distribution pump (M4)
cable to the Backwash
trips
pump.
3. Turn on the dist. pump
switch
Inspect pump switch.
Inspect surge protector SP 4
Replace if voltage is
present at the input
Check for 240 VAC at the input
and not at the output
(between wires 80and 81) and
output (between wires 92 and 94).
Inspect soft starter SS2
Replace if voltage is
present at the input
With power on, check for 240 VAC
and not at the output
at the input (between wires 70 and
71) and output (between wires 80
and 81).
Inspect motor controller module
Replace if voltage is
M3
present at the input
and not at the output
2. Pump light is on but pump is not operating
With power on, check for 240 VAC
- continued
at the input (between wires 60 and
61) and output (between wires 70
and 71).
Inspect continuity of wire 39 from
Tighten loose
the output 7 of the PLC output card
connection. Replace or
2 (OC2) to the backwash pump
repair broken wires
switch (SW 3).
and connections.
Inspect the generator cable for
Remove the generator
proper wire connections.
cable wires from the
generator and
reconnect them
securely.
3. Pump malfunctions Backwash cycle
Troubleshoot control module
electrical components
0080 00-2
