Troubleshooting: Filling, Heating, and Brewing

Filling Problems

The filling system consists of the following components:

 

Liquid Level Control, located behind the brewer front panel.

 

Liquid Level Probes, located on the tank top, secured by wing nut, under the top cover.

• Fill Valve, located behind the front panel.

 

 

 

 

 

 

Problem

 

Possible Cause

Service Check

Remedy

 

 

 

 

 

 

 

 

Overfilling water

Fill valve not sealing

Water entering tank

Disassemble valve and clean out

tank even when

properly.

continuously, usually

dirt. Valve may need new plunger

power is off.

 

 

slowly.

if seal is worn.

 

 

 

 

 

 

 

Fill valve installed

Look for direction of

If arrow on valve is pointing toward

 

 

water inlet, remove valve and install

 

 

backwards.

arrow on valve body.

 

 

correctly.

 

 

 

 

Overfilling water

High electrode

Jumper HI terminal on

Remove electrode assembly and

tank only when

coated with lime or

level control to metal

clean both probes. If this does not

power is on.

 

faulty.

enclosure stops fill.

work, replace assembly.

 

 

Missing or faulty con-

Jumper from C

Make secure connection of C to

 

 

nection of C terminal

terminal to metal body

 

 

on level control to metal

stops fill.

metal body.

 

 

 

 

 

 

 

 

 

 

Fill valve connected

Check connections.

Connect black lead for valve to

 

 

to heat terminal on

 

FILL on level control.

 

 

level control.

 

 

 

 

 

 

 

 

 

Liquid level control is

Jumper from HI to C

Replace level control.

 

 

faulty.

or metal enclosure

 

 

 

 

does not stop fill.

 

Tank does not

 

No power at

Nothing operates.

Check main switch or circuit

refill.

 

equipment.

 

breaker, brewer's circuit breaker or

 

 

 

 

power switch if provided.

 

 

 

 

 

 

 

No water at

Cracked water inlet

Make sure all water supply line

 

 

equipment.

fitting.

valves are open.

 

 

 

 

 

 

 

Water strainer

Water pressure before

Remove and clean or replace

 

 

strainer but not after.

 

 

clogged.

strainer's mesh.

 

 

 

 

 

 

 

 

 

 

No power to level

Check for 120V AC

If no voltage, check for loose or

 

 

across H and N ter-

broken wires.

 

 

control.

 

 

minals on level control.

 

 

 

 

 

 

 

 

 

 

 

 

Level control faulty.

Disconnect probe wire

If no 120V at FILL terminal,

 

 

 

to HI terminal on level

 

 

 

replace level control.

 

 

 

control. Check for

 

 

 

 

 

 

 

120V at FILL terminal.

 

 

 

 

 

 

 

 

Electrodes faulty.

Tank fills only when

Replace electrodes. If no remedy,

 

 

 

probe wire is discon-

 

 

 

check for improper wiring or level

 

 

 

nected from HI ter-

 

 

 

probe tip touching metal.

 

 

 

minal on level control.

 

 

 

 

 

 

 

 

 

 

 

Fill valve faulty.

120V is across FILL

Disassemble valve and clean or

 

 

 

and N on level control,

 

 

 

replace plunger if frozen. If plunger

 

 

 

but no fill.

 

 

 

is OK, coil may need replacement.

 

 

 

 

 

 

 

 

 

Shuttle Brewers & Airpot/Shuttle Brewers

Page 11

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Grindmaster RAPS300E, RAP400E, RAP300E, RAPS400E Troubleshooting Filling, Heating, and Brewing, Filling Problems

P300E, RAPS400E, P400E, RAP300E, RAP400E specifications

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