Alliance Laundry Systems UW POCKET HARDMOUNT UW35B2 Troubleshooting guide

Operation/Maintenance
www.comlaundry.com
Washer-Extractors
UW Pocket Hardmount
B-Series Microcomputer
2 Speed
Models UW35B2 and UW60B2
®
PHM1379C
PHM1379C
Part No. F232223R1
November 2005
NOTA: El manual en
español aparece después
del manual en inglés.

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© Copyright 2005, Alliance Laundry Systems LLC
All rights reserved. No part of the contents of this book may be reproduced or transmitted in any form or by any
means without the expressed written consent of the publisher.
F232223 1
Table of
Contents
Safety Information.............................................................................. 3
Explanation of Safety Messages........................................................... 3
Important Safety Instructions ............................................................... 3
Key to Symbols..................................................................................... 6
Operator Safety..................................................................................... 8
Safe Operating Environment ................................................................ 8
Environmental Conditions ............................................................... 8
Machine Location ............................................................................ 9
Input and Output Services................................................................ 9
Introduction......................................................................................... 11
Model Identification ............................................................................. 11
Nameplate Location.............................................................................. 11
Replacement Parts ................................................................................ 11
Customer Service.................................................................................. 11
Operation............................................................................................. 13
Machine Familiarization Guide ............................................................ 13
Introduction........................................................................................... 14
Electronic Control Unit.................................................................... 14
Control Output Fuse Board.............................................................. 14
Harnessing........................................................................................ 14
Control Panel ........................................................................................ 15
Summary of Major Features ................................................................. 16
Rapid Advance Mode ...................................................................... 16
Display Indicators................................................................................. 17
Operating Instructions .......................................................................... 19
Maintenance ........................................................................................ 21
Daily ..................................................................................................... 21
Beginning of Day............................................................................. 21
End of Day ....................................................................................... 21
Weekly.................................................................................................. 21
Monthly................................................................................................. 22
Quarterly ............................................................................................... 25
Care of Stainless Steel .......................................................................... 26
Daily Preventive Maintenance Checklist.............................................. 27
Weekly Preventive Maintenance Checklist .......................................... 28
Monthly Preventive Maintenance Checklist......................................... 29
Quarterly Preventive Maintenance Checklist ....................................... 30

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2F232223
Notes

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F232223
Safety Information
Explanation of Safety Messages
Precautionary statements (“DANGER,” “WARNING,”
and “CAUTION”), followed by specific instructions,
are found in this manual and on machine decals. These
precautions are intended for the personal safety of the
operator, user, servicer, and those maintaining the
machine.
Additional precautionary statements (“IMPORTANT”
and “NOTE”) are followed by specific instructions.
IMPORTANT: The word “IMPORTANT” is used
to inform the reader of specific procedures where
minor machine damage will occur if the procedure
is not followed.
NOTE: The word “NOTE” is used to communicate
installation, operation, maintenance or servicing
information that is important but not hazard
related.
Important Safety Instructions
1. Read all instructions before using the washer.
2. Refer to the GROUNDING INSTRUCTIONS in
the INSTALLATION manual for the proper
grounding of the washer.
3. Do not wash textiles that have been previously
cleaned in, washed in, soaked in, or spotted with
gasoline, kerosene, waxes, cooking oils, dry-
cleaning solvents, or other flammable or
explosive substances as they give off vapors that
could ignite or explode.
4. Do not add gasoline, dry-cleaning solvents, or
other flammable or explosive substances to the
wash water. These substances give off vapors that
could ignite or explode.
5. Under certain conditions, hydrogen gas may be
produced in a hot water system that has not been
used for two weeks or more. HYDROGEN GAS
IS EXPLOSIVE. If the hot water system has not
been used for such a period, before using a
washing machine or combination washer-dryer,
turn on all hot water faucets and let the water
flow from each for several minutes. This will
release any accumulated hydrogen gas. The gas is
flammable, do not smoke or use an open flame
during this time.
6. Do not allow children to play on or in the washer.
Close supervision of children is necessary when
the washer is used near children. This is a safety
rule for all appliances.
7. Before the washer is removed from service or
discarded, remove the door to the washing
compartment.
8. Do not reach into the washer if the wash drum is
moving.
DANGER indicates the presence of a
hazard that will cause severe personal
injury, death, or substantial property
damage if the danger is ignored.
DANGER
WARNING indicates the presence of a
hazard that can cause severe personal
injury, death, or substantial property
damage if the warning is ignored.
WARNING
CAUTION indicates the presence of a
hazard that will or can cause minor
personal injury or property damage if the
caution is ignored.
CAUTION
To reduce the risk of fire, electric shock,
serious injury or death to persons when
using your washer, follow these basic
precautions:
W023
WARNING

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Safety Information
F232223
4
9. Do not install or store the washer where it will be
exposed to water and/or weather.
10. Do not tamper with the controls.
11. Do not repair or replace any part of the washer, or
attempt any servicing unless specifically
recommended in the user-maintenance
instructions or in published user-repair
instructions that the user understands and has the
skills to carry out.
12. To reduce the risk of an electric shock or fire, DO
NOT use an extension cord or an adapter to
connect the washer to the electrical power source.
13. Use washer only for its intended purpose,
washing textiles.
14. Never wash machine parts or automotive parts in
the machine. This could result in serious damage
to the basket.
15. ALWAYS disconnect the washer from electrical
supply before attempting any service. Disconnect
the power cord by grasping the plug, not the cord.
16. Install the washer according to the
INSTALLATION INSTRUCTIONS. All
connections for water, drain, electrical power and
grounding must comply with local codes and be
made by licensed personnel when required.
17. To reduce the risk of fire, textiles which have
traces of any flammable substances such as
vegetable oil, cooking oil, machine oil,
flammable chemicals, thinner, etc., or anything
containing wax or chemicals such as in mops and
cleaning cloths, must not be put into the washer.
These flammable substances may cause the
fabric to catch on fire by itself.
18. Do not use fabric softeners or products to
eliminate static unless recommended by the
manufacturer of the fabric softener or product.
19. Keep washer in good condition. Bumping or
dropping the washer can damage safety features.
If this occurs, have washer checked by a qualified
service person.
20. Replace worn power cords and/or loose plugs.
21. Be sure water connections have a shut-off valve
and that fill hose connections are tight. CLOSE
the shut-off valves at the end of each wash day.
22. Loading door MUST BE CLOSED any time the
washer is to fill, tumble or spin. DO NOT bypass
the loading door switch by permitting the washer
to operate with the loading door open.
23. Always read and follow manufacturer’s
instructions on packages of laundry and cleaning
aids. Heed all warnings or precautions. To reduce
the risk of poisoning or chemical burns, keep
them out of the reach of children at all times
(preferably in a locked cabinet).
24. Always follow the fabric care instructions
supplied by the textile manufacturer.
25. Never operate the washer with any guards and/or
panels removed.
26. DO NOT operate the washer with missing or
broken parts.
27. DO NOT bypass any safety devices.
28. Failure to install, maintain, and/or operate this
washer according to the manufacturer’s
instructions may result in conditions which can
produce bodily injury and/or property damage.
NOTE: The WARNINGS and IMPORTANT
SAFETY INSTRUCTIONS appearing in this
manual are not meant to cover all possible
conditions and situations that may occur. Common
sense, caution and care must be exercised when
installing, maintaining, or operating the washer.
Any problems or conditions not understood should be
reported to the dealer, distributor, service agent or the
manufacturer.

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Safety Information
5
F232223
This machine must be installed, adjusted,
and serviced by qualified electrical
maintenance personnel familiar with the
construction and operation of this type of
machinery. They must also be familiar
with the potential hazards involved.
Failure to observe this warning may result
in personal injury and/or equipment
damage, and may void the warranty.
SW004
WARNING
Ensure that the machine is installed on a
level floor of sufficient strength and that
the recommended clearances for
inspection and maintenance are provided.
Never allow the inspection and
maintenance space to be blocked.
SW020
CAUTION
Be careful around the open door,
particularly when loading from a level
below the door. Impact with door edges
can cause personal injury.
SW025
CAUTION
Never touch internal or external steam
pipes, connections, or components.
These surfaces can be extremely hot and
will cause severe burns. The steam must
be turned off and the pipe, connections,
and components allowed to cool before
the pipe can be touched.
SW014
WARNING
This machine must be installed, adjusted,
and serviced by qualified electrical
maintenance personnel familiar with the
construction and operation of this type of
machinery. They must also be familiar
with the potential hazards involved.
Failure to observe this warning may result
in personal injury and/or equipment
damage, and may void the warranty.
SW004
WARNING

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Safety Information
F232223
6
Key to Symbols
The lightning flash and arrowhead within the triangle
is a warning sign indicating the presence of dangerous
voltage.
The exclamation point within the triangle is a warning
sign indicating important instructions concerning the
machine and possibly dangerous conditions.
This warning symbol indicates the presence of
potentially dangerous drive mechanisms within the
machine. Guards should always be in place when the
machine is in operation.
This warning symbol indicates the presence of possibly
dangerous chemicals. Proper precautions should be
taken when handling corrosive or caustic materials.
This warning symbol indicates the presence of hot
surfaces that could cause serious burns. Stainless steel
and steam lines can become extremely hot and should
not be touched.
This warning symbol indicates the presence of
possibly dangerous pinch-points. Moving mechanical
parts can crush and/or sever body parts.

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Safety Information
7
F232223
Figure 1
Safety decals appear at crucial locations on the
machine. Failure to maintain legible safety decals
could result in injury to the operator or service
technician.
To provide personal safety and keep the machine in
proper working order, follow all maintenance and
safety procedures presented in this manual. If
questions regarding safety arise, contact the
manufacturer immediately.
Use manufacturer-authorized spare parts to avoid
safety hazards.
PHM600N

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Safety Information
F232223
8
Operator Safety
To ensure the safety of machine operators, the
following maintenance checks must be performed
daily:
1. Prior to operating the machine, verify that all
warning signs are present and legible. Missing or
illegible signs must be replaced immediately.
Make certain that spares are available.
2. Check door interlock before starting operation of
the machine:
a. Attempt to start the machine with the door
open. The machine should not start with the
door open.
b. Close the door without locking it and attempt
to start the machine. The machine should not
start with the door unlocked.
c. Close and lock the door and start a cycle.
Attempt to open the door while the cycle is in
progress. The door should not open.
If the door lock and interlock are not functioning
properly, call a service technician.
3. Do not attempt to operate the machine if any of
the following conditions are present:
a. The door does not remain securely locked
during the entire cycle.
b. Excessively high water level is evident.
c. Machine is not connected to a properly
grounded circuit.
Do not bypass any safety devices in the machine.
Safe Operating Environment
Safe operation requires an appropriate operating
environment for both the operator and the machine. If
questions regarding safety arise, contact the
manufacturer immediately.
Environmental Conditions
•Ambient Temperature. Water in the machine will
freeze at temperatures of 32°F (0°C) or below.
Temperatures above 120°F (50°C) will result in
more frequent motor overheating and, in some
cases, malfunction or premature damage to solid
state devices that are used in some models.
Special cooling devices may be necessary.
Water pressure switches are affected by increases
and decreases in temperature. Every 25°F (10°C)
change in temperature will have a 1% effect on
the water level.
•Humidity. Relative humidity above 90% may
cause the machine’s electronics or motors to
malfunction or may trip the ground fault
interrupter. Corrosion problems may occur on
some metal components in the machine.
If the relative humidity is below 30%, belts and
rubber hoses may eventually develop dry rot.
This condition can result in hose leaks, which
may cause safety hazards external to the machine
in conjunction with adjacent electrical
equipment.
•Ventilation. The need for make-up air openings
for such laundry room accessories as dryers,
ironers, water heaters, etc., must be evaluated
periodically. Louvers, screens, or other
separating devices may reduce the available air
opening significantly.
•Radio Frequency Emissions. A filter is available
for machines in installations where floor space is
shared with equipment sensitive to radio
frequency emissions.
•Elevation. If the machine is to be operated at
elevations of over 3280 feet (1000 m) above sea
level, pay special attention to water levels and
electronic settings (particularly temperature) or
desired results may not be achieved.
•Chemicals. Keep stainless steel surfaces free of
chemical residues.
NEVER insert hands or objects into
basket until it has completely stopped.
Doing so could result in serious injury.
SW012
WARNING
Never operate the machine with a
bypassed or disconnected balance
system. Operating the machine with
severe out-of-balance loads could result
in personal injury and serious equipment
damage.
SW039
WARNING

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Safety Information
9
F232223
•Water Damage. Do not spray the machine with
water. Short circuiting and serious damage may
result. Repair immediately all seepage due to
worn or damaged gaskets, etc.
Machine Location
•Foundation. The concrete floor must be of
sufficient strength and thickness to handle the
floor loads generated by the high extract speeds
of the machine. Refer to Installation manual.
•Service/Maintenance Space. Provide sufficient
space to allow comfortable performance of
service procedures and routine preventive
maintenance.
Consult installation instructions for specific details.
Input and Output Services
•Wate r Pressure. Best performance will be
realized if water is provided at a pressure of 30 –
85 psi (2.0 – 5.7 bar). Although the machine will
function properly at lower pressure, increased fill
times will occur. Water pressure higher than
100 psi (6.7 bar) may result in damage to
machine plumbing. Component failure(s) and
personal injury could result.
•Steam Heat (Optional) Pressure. Best
performance will be realized if steam is provided
at a pressure of 30 – 80 psi (2.0 – 5.4 bar). Steam
pressure higher than 125 psi (8.5 bar) may result
in damage to steam components and may cause
personal injury.
For machines equipped with optional steam heat,
install piping in accordance with approved
commercial steam practices. Failure to install the
supplied steam filter may void the warranty.
•Drainage System. Provide drain lines or troughs
large enough to accommodate the total number of
gallons that could be dumped if all machines on
the site drained at the same time from the highest
attainable level. If troughs are used, they should
be covered to support light foot traffic.
•Power. For personal safety and for proper
operation, the machine must be grounded in
accordance with state and local codes. The
ground connection must be to a proven earth
ground, not to conduit or water pipes. Do not use
fuses in place of the circuit breaker. An easy-
access cutoff switch should also be provided.
Always disconnect power and water supplies before a
service technician performs any service procedure.
Where applicable, steam and/or compressed air
supplies should also be disconnected before service is
performed.
Do not place volatile or flammable fluids
in any machine. Do not clean the machine
with volatile or flammable fluids such as
acetone, lacquer thinners, enamel
reducers, carbon tetrachloride, gasoline,
benzene, naptha, etc. Doing so could
result in serious personal injury and/or
damage to the machine.
SW002
DANGER
Replace all panels that are removed to
perform service and maintenance
procedures. Do not operate the machine
with missing guards or with broken or
missing parts. Do not bypass any safety
devices.
SW019
CAUTION
Ensure that a ground wire from a proven
earth ground is connected to the ground
lug near the input power block on this
machine. Without proper grounding,
personal injury from electric shock could
occur and machine malfunctions may be
evident.
SW008
WARNING

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10
Notes

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F232223
Introduction
Model Identification
Information in this manual is applicable to these
models:
Nameplate Location
The nameplate is located on the cage wrap (below
plumbing bracket) and on top rear of the control
module. Always provide the machine’s serial number
and model number when ordering parts or when
seeking technical assistance. Refer to Figure 2.
Figure 2
Replacement Parts
If literature or replacement parts are required, contact
the source from which the washer-extractor was
purchased or contact Alliance Laundry Systems LLC
at [phone] for the name of the nearest
authorized parts distributor. A parts manual may be
ordered by returning the reply card provided with each
washer-extractor.
Customer Service
For technical assistance, contact your local distributor
or call:
[phone]
Ripon, Wisconsin
A record of each washer-extractor is on file with the
manufacturer. Always provide the machine’s serial
number and model number when ordering parts or
when seeking technical assistance. Refer to Figure 2.
UW35B2 UW60B2
PHM598N
1Top Rear of Control Module
2Cage Wrap (Below Plumbing Bracket)
P
U
S
H
2
1

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Introduction
F232223
12
Figure 3
Model Number Familiarization Guide
Sample Model Number: UW35B2OU80001
UW Model Number Prefix
35 Washer-Extractor Capacity (pounds dry weight of laundry)
BType of Electrical Control B = B – Control
2Washer-Extractor Speed Capabilities
OElectrical Characteristics
U8 Design Series
0001 Option Identification (varies from machine to machine)
PHM599N
PHM599N
UW35B2OU80001
00000000000
200 – 240
50 – 60 2/3 3
20
60 27 813
N/A N/A 0.0
14
ETL Listed
Conforms To ANSI/UL Std. 1206, 3rd Ed
Certified To CAN/CSA Std. C22.2 No.53-1968
Drawings:
EXAMPLE OF NAMEPLATE

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F232223
Operation
Machine Familiarization Guide
The machine familiarization guide in Figure 4
identifies major operational features of the
washer-extractor.
Figure 4
PHM1379C
1Emergency Stop Button 8Door Latch
2Door Unlock Button 9Side Panel
3Supply Valve Box 10 Rub Rail
4Supply Dispenser 11 Shell Front
5Door Handle 12 Door Hinge
6Door Box 13 Control Module
7Door Latch Extension Arm
®
PHM1379C
12
3
4
5
6
8
9
10
11
12
13
7

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Operation
F232223
14
Introduction
This control is composed of the electronic control unit
and the control fuse board. Beyond this, there are
wiring harnesses associated with the control. Only an
authorized person should ever look inside the machine.
Before accessing the control components, first TURN
OFF POWER, then open the lid.
Electronic Control Unit
This portion of the control contains the
“intelligence” – namely, the micro-controller and the
miscellaneous components on the printed circuit (PC)
board. The board has a metal cover, which MUST be
in place at all times during machine operation.
Operation of the machine without this cover installed
will void the warranty.
The control unit monitors and responds to input, gives
information about the status of the machine (which the
control operates), and it monitors and responds to
inputs from the user interface. The control provides
signals to the control output unit, which in turn
operates the components that control the machine
functions. This is located behind the machine control
panel.
Control Output Fuse Board
This portion of the control contains the power supply
for the control unit, and also the switching devices that
power the components in the machine, all of which are
on the output PC board. The output board has a cover
for back of hand protection. It must be in place at all
times during machine operation. The switching
devices are controlled by the control unit, and are solid
state components which provide two important
benefits: 1) elimination of all the problems associated
with electromechanical switching (contact wear,
arcing and electromagnetic interference, etc.) with
subsequent increased component life, and 2) enhanced
electrical isolation of the control unit and the AC
switching components.
Harnessing
Wiring harnesses are modular – harnesses common to
various configurations are similar, while those specific
to a certain configuration can be added. There are
harnesses for inputs to the control unit, for outputs
from the control power/output unit to the machine
components, and for the main incoming power to the
control power/output unit.

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Operation
15
F232223
Control Panel
Figure 5
†Set Up (*) keypad is used in cycle programmings in program mode. Refer to Programming Manual.
CHM522N PHM538R
1Cycle 1 11 Door Open LED
2Cycle 2 12 Spin Cycle LED
3Cycle 3 13 Rinse Cycle LED
4Cycle 4/Up Edit 14 Add Bleach LED
5Cycle 5 15 Wash Cycle LED
6Cycle 6* 16 Out-of-Balance Indicator Dot
7Cycle 7/Set Up (*) Keypad †(Variable-speed only)
8Cycle 8/Down Edit 17 High Water Level Indicator Dot
9START Keypad 18 Medium Water Level Indicator Dot
10 CLEAN FILTER Indicator LED
(Active only for C80F, C80 and C125 models)
19 Low Water Level Indicator Dot
PHM538R
NORMAL
LIGHT SOIL
UNIFORMS
HEAVY SOIL
STAINED
DELICATE
HOT
HOT
HOT HOT
HOT
HOT
WARM
COLD
START
PERM PRESS
VISA TM
60C 60C
40C 40C
95C 95C
<
<
30C
WASH
ADD
BLEACH
RINSE
SPIN
DOOR
DOMESTIC MODELS INTERNATIONAL MODELS
1
5
6
7
8
4
2
16 17 18 19
39
1
6
7
8
4
10
2
16 17 18 19
39
11
12
13
14
15
5
10
11
12
13
14
15

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Operation
F232223
16
Summary of Major Features
Table 1
LED for Machine Functions LED lights inform operator which machine function is active. DOOR LED lights to
inform operator that the door can be opened or should be closed. The circle LED
indicates that the filter needs cleaning.
Water Levels Three (3) – Contacts from pressure switch (test cycle)
Main LED display 4 digit LED display counts down cycle time. Lights in LED display indicate out-of-balance
conditions and, in test cycle, water level. Display shows “01” as the final spin time.
Cycle selection keypads Eight (8) cycle select keypads with LED indicator to show selected cycle. LED lights
will flash to prompt user to press a keypad.
START keypad Press to start a cycle after cycle selection is made. LED light will flash to prompt user to
press keypad.
Test Cycle with “Advance” For troubleshooting. Advance rapidly through test cycle by pressing the UP keypad.
Refer to PROGRAMMING manual.
Fill Temperatures Cold, Hot, Warm
Supplies Five (5) or Four (4) with extra fill value option.
Agitation Types Normal or Gentle
Drain Options Normally open gravity drain
Cycle Count 0 to 9999 cannot be reset – Rolls over after 9999
Rapid Advance Mode Rapid Advance can be enabled or disabled. Enabled allows user to advance through a
cycle. Refer to Programming Manual.

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Operation
17
F232223
Display Indicators
Table 2 lists the various displays and what they
mean. The operator should become familiar with
these machine displays.
Display Meaning
tESt Diagnostic test cycle selected or enabled
SPIn Spin (extract) step
SUP1 Supply signal 1 (“S1” output), normally detergent
SUP2 Supply signal 2 (“S2” output), normally bleach
SUP3 Supply signal 3 (“S3” output), normally softener
SUP4 Supply signal 4
SUP5 Supply signal 5
SdLY Spin coast (motor coasts after high speed extract)
CFIL Cold Fill
HFIL Hot Fill
bFIL Warm Fill (cold + hot)
bLCH Control will also light “add bleach” indicator
CY__ Cycle number (followed by a space and number 1 through highest cycle number)
nornNormal agitation selected
gEnt Gentle (reduced) agitation selected
For Wash speed forward (during test cycle)
rEv Wash speed reverse (during test cycle)
LO Low water level
nEd Medium water level
HI High water level
CEL Display all temperatures in degrees Celsius
FAr Display all temperatures in degrees Fahrenheit
___C The first 3 digits are reserved for temperature reading, C indicates “degrees Celsius”
Table 2

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Operation
F232223
18
Table 2 (Continued)
Display Meaning
___F The first 3 digits are reserved for temperature reading, F indicates “degrees Fahrenheit”
FILL “Fill error” – machine did not fill to programmed water level within 10 minutes; also
displays during Rapid Advance Mode
door “Door” opened during cycle
USH1 “Wash 1” segment
USH2 “Wash 2” segment
USH3 “Wash 3” segment
USH4 “Wash 4” segment
rIn1 “Rinse 1” segment
rIn2 “Rinse 2” segment
rIn3 “Rinse 3” segment
rIn4 “Rinse 4” segment (final rinse)
donE Cycle has concluded
drAI Drain selected for segment; also indicates in drain step during 2 speed version test cycle or
during Rapid Advance Mode
---- Flashes for a period of time (for safety) after power up while keeping outputs OFF
Erdn Drain error or drain count error (will display in certain models)
ErFL Fill error count (will display in certain models)
Adv Machine set up for Rapid Advance
noAd Machine is not set up for Rapid Advance
E Pr The number of times power has been interrupted during a cycle
CyC Cycle counter