Filter
Top Products
Page 14 American Metal Ware 87710E Coffee Urn
Problem Possible Cause Service Check Remedy
Disassemble and clean out. May
require new plunger assembly.
Caution is advised to avoid damage
to valve. See valve instruction
sheet.
On valves without integral strainer:
Install so that port marked “IN” is
connected to outside fresh water
supply.
On valves with integral strainer:
Install so that arrow points in
direction of tank, away from fresh
water supply.
Remove electrode assembly. Clean
both electrodes. If still no remedy
and connections are good, replace
assembly.
Make good secure connection. May
require cleaning or replacement.
Connect “BLACK” wire lead to “FILL”
terminal.
Replace Dual Level Control.
Make sure main switch(es), fuse(s),
circuit breaker(s), provide power to
unit, that machine’s circuit breaker is
OK and power switch, if provided, is
on.
Make sure all water supply line
valves are open.
Visual. Water entering
tank continuously, and
usually slowly.
Visual.
Jumper from “HI”
terminal to metal
enclosure stops fill.
Jumper for “C” terminal
(next to XL) to metal
enclosure stops fill.
Visual.
Jumper from “HI” to “C”
does not stop fill.
Nothing operates on
machine.
“Crack” fitting at water
inlet for pressure check.
1) Fill solenoid valve
leaking due to dirt or
scale holding valve
open, or worn plunger
seat.
2) Fill solenoid valve
installed backwards.
1) High electrode
coated with scale,
or faulty.
2) Missing or faulty com-
mon connection for elec-
trode circuit (“C” terminal
to metal enclosure).
3) Fill valve connected
to “HEAT” terminal.
4) Dual Level printed
circuit board faulty.
1) No power at
equipment.
2) No water at
equipment
A) Overfilling of water
tank when power is off.
B) Overfilling of water
tank only when power
to unit is on.
C) Auto refill fails to
fill water tank.
IV) Trouble Shooting Auto Refill, Low Water Cutoff, and Dual Level Control System