Grindmaster Troubleshooting Guide for Espressimo Espresso Makers

Page 17

Troubleshooting Guide

(cont’d)

 

 

 

 

 

 

 

 

 

Problem

 

Possible Cause

Solution

 

 

Brew cycle will not start or water

 

• No water (check by opening hot

• See section on "no water to

 

 

does not come out.

 

water spout).

machine".

 

 

 

 

• Flow restrictor/doser in group

• Clean or replace if needed.

 

 

 

 

head is clogged.

 

 

 

 

 

• Improper filter in filter holder or

• Check to be sure filter (with

 

 

 

 

clogged filter.

holes) is being used and is not

 

 

 

 

 

clogged. Clean if needed.

 

 

 

 

• Spray deflector or group

• Check to verify spray deflector or

 

 

 

 

strainer is clogged.

group strainer is not clogged.

 

 

 

 

 

Clean or replace if needed.

 

 

 

 

• Switch or solenoid valve faulty.

• If only one side is not working,

 

 

 

 

 

check to see if switch or solenoid

 

 

 

 

 

valve has failed. Replace if needed.

 

 

 

 

 

 

 

 

No water to machine (check by

 

• Water supply valve closed.

• Check to be sure all water valves

 

 

opening hot water spout).

 

 

are open (Machine valve, water

 

 

 

 

 

filter valve, main supply valve).

 

 

 

 

• Water filter may be clogged.

• Shut off valve preceding filter.

 

 

 

 

 

Open filter housing. Open valve

 

 

 

 

 

to check if water comes out.

 

 

 

 

 

Replace filter if needed.

 

 

 

 

 

 

 

 

Red autofill light stays on

 

• Water is off.

• See section on "no water to

 

 

continuously.

 

 

machine".

 

 

 

 

• Water pressure too low

• Open hot water spout. If water flow

 

 

 

 

(minimum pressure should be

is weak, slow or steamy, check for

 

 

 

 

25 PSI).

closed valves or partially opened

 

 

 

 

 

valves. Check for clogged filter,

 

 

 

 

 

interruptions to water supply line or

 

 

 

 

 

other appliances using water that

 

 

 

 

 

may be reducing water pressure.

 

 

 

 

• Faulty float switch.

• Open steam wand. If steam is

 

 

 

 

 

watery, see section on "steam is too

 

 

 

 

 

watery".

 

 

 

 

 

 

 

 

Water leaks while brewing coffee.

 

• Group head gasket has

• Replace gasket if needed by prying

 

 

 

 

hardened or broken.

out.

 

 

 

 

 

 

 

 

Water leaking from group head or

 

• Solenoid stuck open.

• Back wash with cleaner several

 

 

exhaust pipe in drain basin.

 

 

times. If problem continues,

 

 

 

 

 

replace solenoid.

 

 

 

 

 

 

 

 

Water leaking from opposite side

 

• Too much pressure.

• Adjust pump to 125 P.S.I.

 

 

of group head in use.

 

 

 

 

 

 

 

• Weakened solenoid springs.

• Replace solenoid valve if needed.

 

 

 

 

 

 

 

 

 

 

 

 

 

Espressimo 2450 & 1750 Espresso Cappuccino Machines

Page 16

Image 17
Contents Models 2450 Page Overview Espresso and espresso-based drinks Initial Preparation Failure to use in-line water Filter voids warrantyHow espresso is made differently from regular brewed coffee Understanding Basic Concepts about Brewing EspressoBack Splash Panel 1750 & 2450 External Machine PartsImportant Note about Vacuum Breaker AccessoriesInstallation Programming the Portion Buttons for 2450 Espressimo Machines Before You Start How to Brew EspressoHow to Froth Milk How to Steam Milk Care and Cleaning Yearly Cleaning How to Adjust the Pump Pressure AdjustmentsHow to Adjust the Pressure Control Coffee Taste and Appearance Guide Problem Possible Cause SolutionTroubleshooting Guide Troubleshooting Guide Cont’d Troubleshooting Guide Cont’d Plumbing Guide Models 1750 & 2450 Wiring Schematic Models 1750Q & 2450Q Wiring Diagram Models 2450, 2450Q & 2450E Exploded View Page 1 Models 2450, 2450Q & 2450E Exploded View Page 2 Models 2450, 2450Q & 2450E Exploded View Page 3 Models 1750, 1750Q & 1750E Exploded View Page 1 Models 1750, 1750Q & 1750E Exploded View Page 2 Models 1750, 1750Q & 1750E Exploded View Page 3 Page Grindmaster Corporation Form # ES-351-08 60236