Graco E-Flo DC Series Parts list manual

Instructions-Parts
E-Flo® DC Motor 3A2526D
EN
Electric drive for for low to medium volume paint circulation pumps.
For professional use only.
Important Safety Instructions
Read all warnings and instructions in this manual. Save these
instructions.
See page 3 for model part numbers
and approvals information.
PROVEN QUALITY. LEADING TECHNOLOGY.

Contents
Models............................................................... 3
Basic Models ............................................... 3
Basic Models with Region-Specific
Approvals....................................... 4
Advanced Models ........................................ 5
Advanced Models with Region-Specific
Approvals....................................... 6
Warnings ........................................................... 7
Installation.......................................................... 10
Fill With Oil Before Using Equipment............. 10
Power Supply Requirements......................... 10
Connect the Power Supply ........................... 11
Grounding ................................................... 12
Intrinsically Safe Installation Requirements
for Advanced Motors....................... 12
Operation........................................................... 13
Startup ........................................................ 13
Shutdown .................................................... 13
Pressure Relief Procedure............................ 13
Advanced Motor Operation ........................... 13
Basic Motor Operation.................................. 14
Maintenance ...................................................... 16
Preventive Maintenance Schedule ................ 16
Change the Oil............................................. 16
Check Oil Level ........................................... 16
Bearing Pre-Load......................................... 16
Error Code Troubleshooting ................................ 17
Repair................................................................ 19
Replace Output Seal Cartridge ..................... 19
Parts.................................................................. 20
Basic Motor Assembly.................................. 20
Advanced Motor Assembly ........................... 22
Notes ................................................................ 24
Repair Kits, Related Manuals, and
Accessories .......................................... 25
Appendix A - System Control Drawing
24N637 ................................................ 26
Notes ................................................................ 31
Mounting Hole Pattern ........................................ 32
Technical Data ................................................... 33
Graco Standard Warranty.................................... 34
23A2526D

Models
Models
Basic Models
Motor Part No. Series Horsepower Maximum Force, lbf (N)
EM0011 A 1 1400 (6227)
EM0021 A 2 2800 (12455)
0359 II 2 G
Ex db IIA T6 0°C≤Ta≤40°C
FM12ATEX0067X
IECEx FMG 12.0028X
For Class I, Div. 1, Group D T6.
Class 1, Zone 1, AEx db IIA T6 0°C≤Ta≤40°C
Ex d IIA T6 Gb 0°C≤Ta≤40°C
Figure 1 Basic Motor Identification Label
List of Standards
• IEC 60079–0: 2011 (Ed. 6)
• IEC 60079–1: 2007 w/Corr 1 (Ed 6)
• EN 60079–0: 2012
• EN 60079–1: 2007
• ANSI/ISA 60079–0: 2009
• ANSI/ISA 60079–1: 2009
• FM 3615:2006
• CSA C22.2 No. 0.4:2004 (R2009)
• CSA C22.2 No. 0.5:82 (R2008)
• CSA C22.2 No. 30:M86 (R2007)
• CAN/CSA-E60079–0:2011
• CAN/CSA-E60079–1:2011
• CAN/CSA C22.2 No. 1010.1:2004
Specific Conditions of Use:
1. Consult the manufacturer if dimensional
information on the flameproof joint is necessary.
2. Consult the manufacturer for genuine
replacement fasteners. M8 x 30 socket-head
cap screws of Class 12.9 steel or better with a
minimum yield strength of 1100 MPa (160,000
psi) are acceptable alternatives.
3A2526D 3

Models
Basic Models with Region-Specific Approvals
Motor Part No. Series Horsepower Maximum Force, lbf (N)
EM0013 A 1 1400 (6227)
EM0023 A 2 2800 (12455)
0359 II 2 G
Ex db IIA T6 0°C≤Ta≤40°C
FM12ATEX0067X
IECEx FMG 12.0028X
Figure 2 Basic Motor with Region-Specific Approvals
Identification Label
List of Standards
• IEC 60079–0: 2011 (Ed. 6)
• IEC 60079–1: 2007 w/Corr 1 (Ed 6)
• EN 60079–0: 2012
• EN 60079–1: 2007
Specific Conditions of Use:
1. Consult the manufacturer if dimensional
information on the flameproof joint is necessary.
2. Consult the manufacturer for genuine
replacement fasteners. M8 x 30 socket-head
cap screws of Class 12.9 steel or better with a
minimum yield strength of 1100 MPa (160,000
psi) are acceptable alternatives.
43A2526D

Models
Advanced Models
Motor Part No. Series Horsepower Maximum Force, lbf (N)
EM0012 A 1 1400 (6227)
EM0022 A 2 2800 (12455)
EM0025 A 2 2800 (12455)
0359 II 2 (1) G
Ex db [ia] IIA T6 0°C≤Ta≤40°C
FM12ATEX0067X
IECEx FMG 12.0028X
For Class I, Div. 1, Group D T6.
Class 1, Zone 1, AEx db [ia] IIA T6 0°C≤Ta≤40°C
Ex db [ia] IIA T6 0°C≤Ta≤40°C
Figure 3 Advanced Motor Identification Label
List of Standards
• IEC 60079–0: 2011 (Ed. 6)
• IEC 60079–1: 2007 w/Corr 1 (Ed. 6)
• IEC 60079–11: 2011 (Ed. 6)
• EN 60079–0: 2012
• EN 60079–1: 2007
• EN 60079–11: 2012
• FM 3600:2011
• FM 3610:2010
• FM 3615:2006
• FM 3810:2005
• CSA C22.2 No. 0.4:2004 (R2009)
• CSA C22.2 No. 0.5:82 (R2008)
• CSA C22.2 No. 30:M86 (R2007)
• CSA C22.2 No. 157–92 (R2006)
• CAN/CSA-E60079–0:2011
• CAN/CSA-E60079–1:2011
• CAN/CSA C22.2 No. 1010.1:2004
• CAN/CSA-E60079–11:2011
• ANSI/ISA 60079–0:2009
• ANSI/ISA 60079–1:2009
• ANSI/ISA 60079–11:2011
Specific Conditions of Use:
1. Consult the manufacturer if dimensional
information on the flameproof joint is necessary.
2. Consult the manufacturer for genuine
replacement fasteners. M8 x 30 socket-head
cap screws of Class 12.9 steel or better with a
minimum yield strength of 1100 MPa (160,000
psi) are acceptable alternatives.
3A2526D 5

Models
Advanced Models with Region-Specific Approvals
Motor Part No. Series Horsepower Maximum Force, lbf (N)
EM0014 A 1 1400 (6227)
EM0024 A 2 2800 (12455)
EM0026 A 2 2800 (12455)
0359 II 2 (1) G
Ex db [ia] IIA T6 0°C≤Ta≤40°C
FM12ATEX0067X
IECEx FMG 12.0028X
Figure 4 Advanced Motor with Region-Specific
Approvals Identification Label
List of Standards
• IEC 60079–0: 2011 (Ed. 6)
•IEC600
79–1: 2007 w/Corr 1 (Ed. 6)
•IEC60
079–11: 2011 (Ed. 6)
• EN 60079–0: 2012
• EN 60079–1: 2007
• EN 60079–11: 2012
Specific Conditions of Use:
1. Consult the manufacturer if dimensional
information on the flameproof joint is necessary.
2. Consult the manufacturer for genuine
replacement fasteners. M8 x 30 socket-head
cap screws of Class 12.9 steel or better with a
minimum yield strength of 1100 MPa (160,000
psi) are acceptable alternatives.
63A2526D

Warnings
Warnings
The following warnings are for the setup, use, grounding, maintenance and repair of this equipment. The
exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific
risks. When these symbols appear in the body of this manual or on warning labels, refer backtothese
Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout
the body of this manual where applicable.
WARNING
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help
prevent fire and explosion:
• Use equipment only in well ventilated area.
• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and
plastic drop cloths (potential static arc).
•Keepwork
area free of debris, including solvent, rags and gasoline.
• Do not plug or unplug power cords, or turn power or light switches on or off when flammable
fumes are present.
• Ground all equipment in the work area. See Grounding instructions.
•Useonly
grounded hoses.
• Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless
they are antistatic or conductive.
•Stop operation immediately if static sparking occurs or you feel a shock, Do not use
equipment until you identify and correct the problem.
• Keepaw
orking fire extinguisher in the work area.
Static charge may build up on plastic parts during cleaning and could discharge and ignite
flammable vapors. To help prevent fire and explosion:
• Clean plastic parts only in well ventilated area.
•Dono
t clean with a dry cloth.
•Dono
t operate electrostatic guns in equipment work area.
SPECIAL CONDITIONS FOR SAFE USE
•Top
revent the risk of electrostatic sparking, the equipment’s non-metallic parts should be
cleaned only with a damp cloth.
• The aluminum housing may spark upon impact or contact with moving parts, which may
cause fire or explosion. Take precautions to avoid such impact or contact.
• All flameproof joints are critical to the integrity of the motor as approved for hazardous
locations and are not repairable if damaged. Damaged parts must be replacedonlywith
genuine Graco parts with no substitutions.
3A2526D 7

Warnings
WARNING
ELECTRIC SHOCK HAZARD
This equipment must be grounded. Improper grounding, setup, or usage of the system can
cause electric shock.
• Turn off and disconnect power at main switch before disconnecting any cables and before
servicing or installing equipment.
• Connect only to grounded power source.
• All electrical wiring must be done by a qualified electrician and comply with all local codes
and regulations.
INTRINSIC SAFETY
Intrinsically safe equipment that is installed improperly or connected to non-intrinsically safe
equipment will create a hazardous condition and can cause fire, explosion, or electricshock.
Follow local regulations and the following safety requirements.
• Be sure your installation complies with national, state, and local codes for the installation of
electrical apparatus in a Class I, Group D, Division 1 Hazardous Location, including all of the
local safety fire codes, NFPA 33, NEC 500 and 516, and OSHA 1910.107.
• Equipment that comes in contact with the equipment’s intrinsically safe terminals must
meet the entity parameter requirements specified in Control Drawing 24N637. See
Intrinsically Safe Installation Requirements for Advanced Motors, page 12. This includes
safety barriers, DC voltage meters, ohmmeters, cables, and connections. Remove the unit
from the hazardous area when troubleshooting.
• Do not install any equipment approved only for a non-hazardous location in a hazardous
area, as defined in Article 500 of the National Electrical Code (USA) or your local electrical
code. See the ID label for the intrinsic safety rating for your equipment.
• Ground the motor. Use a 12 gauge minimum ground wire, connected to a true earth ground.
See Grounding, page 12.
• Do not operate the motor with any cover removed.
• Do not substitute system components, as this may impair intrinsic safety.
BURN HAZARD
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid
severe burns:
•Dono
t touch hot fluid or equipment.
MOVING PARTS HAZARD
Moving parts can pinch, cut or amputate fingers and other body parts.
•Kee
p clear of moving parts.
• Do not operate equipment with protective guards or covers removed.
• Pressurized equipment can start without warning. Before checking, moving, or servicing
equipment, follow the Pressure Relief Procedure and disconnect all power sources.
83A2526D

Warnings
WARNING
PRESSURIZED EQUIPMENT HAZARD
Fluid from the equipment, leaks, or ruptured components can splash in the eyes or on skin
and cause serious injury.
• Follow the Pressure Relief Procedure when you stop spraying/dispensing and before
cleaning, checking, or servicing equipment.
• Tighten all fluid connections before operating the equipment.
• Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.
TOXIC FLUID OR FUMES
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin,
inhaled, or swallowed.
• Read MSDSs to know the specific hazards of the fluids you are using.
• Store hazardous fluid in approved containers, and dispose of it according to applicable
guidelines.
PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate protective equipment when in the work area to help prevent serious injury,
including eye injury, hearing loss, inhalation of toxic fumes, and burns. This equipment includes
but is not limited to:
•Protect
ive eyewear, and hearing protection.
• Respirators, protective clothing, and gloves as recommended by the fluid and solvent
manufacturer.
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated
system component. See Technical Data in all equipment manuals.
•Useflu
ids and solvents that are compatible with equipment wetted parts. See Technical Data
in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete
information about your material, request MSDS from distributor or retailer.
• Do not leave the work area while equipment is energized or under pressure.
• Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine
manufacturer’s replacement parts only.
• Do not alter or modify equipment. Alterations or modifications may void agency approvals
and create safety hazards.
• Make sure all equipment is rated and approved for the environment in which youareusingit.
•Use
equipment only for its intended purpose. Call your distributor for information.
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
• Do not kink or over bend hoses or use hoses to pull equipment.
•Ke
ep children and animals away from work area.
• Comply with all applicable safety regulations.
3A2526D 9

Installation
Installation
Installation of this equipment involves potentially
hazardous procedures. Only trained and qualified
personnel who have read and who understand
the information in this manual should install this
equipment.
NOTE: To install an advanced motor, also see
Intrinsically Safe Installation Requirements for
Advanced Motors, page 12.
Fill With Oil Before Using Equipment
See Fig. 5. Before using the equipment, open the fill
cap (P) and add Graco Part No. 16W645 ISO 220
silicone-free synthetic gear oil. Check the oil level in
the sight glass (K). Fill until the oil level is near the
halfway point of the sight glass. The oil capacity is
approximately 1.5 quarts (1.4 liters). Do not overfill.
NOTE: Two 1 quart (0.95 liter) bottles of oil are
supplied with the equipment.
Figure 5 Sightglass and Oil Fill Cap
Power Supply Requirements
Improper wiring may cause electric shock or other
serious injury if work is not performed properly.
Have a qualified electrician perform any electrical
work. Be sure your installation complies with all
National, State and Local safety and fire codes.
See Table 1 for power supply requirements. The
system requires a dedicated circuit protected with a
circuit breaker.
Table 1 . Power Supply Specifications
Model* Voltage Phase Hz Current
EM001x 100–250
Vac
1 50/60 20 A
EM002x 200–250
Vac
1 50/60 20 A
* The last digit of the Model No. varies. See the
Models tables on pages 3–6.
Hazardous Area Cabling and Conduit
Requirements
Explosion Proof
All electrical wiring in the hazardous area must be
encased in Class I, Division I, Group D approved
explosion-proof conduit. Follow all National, State,
and Local electric codes.
A conduit seal (D) is required within 18 in. (457 mm)
of the motor for the US and Canada. See Fig. 7.
All cables must be rated at 70°C.
Flame Proof (ATEX)
Use appropriate conduit, connectors, and cable
glands rated for ATEX II 2 G. Follow all National,
State, and Local electric codes.
All cable glands and cables must be rated at 70°C.
10 3A2526D

Installation
Connect the Power Supply
Improper wiring may cause electric shock or other
serious injury if work is not performed properly.
Have a qualified electrician perform any electrical
work. Be sure your installation complies with all
National, State and Local safety and fire codes.
1. Ensure that the fused safety switch (B, Fig. 6) is
shut off and locked out.
Figure 6 Locked Out Fused Safety Switch
2. See Fig. 7. Install a start/stop control (C) in the
electrical supply line (A), within easy reach of
the equipment. The start/stop control must be
approved for use in hazardous locations.
3. Open the electrical compartment (S) on the
motor.
4. Bring the power wires into the electrical
compartment through the 3/4–14 npt(f) inlet port.
Connect the wires to the terminals, as shown.
Torque the terminal nuts to 25 in-lb (2.8 N•m)
maximum. Do not over-torque.
5. Close the electrical compartment. Torque the
cover screws (J) to 15 ft-lb (20.3 N•m).
Figure 7 Connect the Power Wires
Notes for Fig. 7
Tighten all terminal nuts to 25 in-lb (2.8 N•m)
maximum. Do not over-torque.
Tighten cover screws to 15 ft-lb (20.3 N•m).
A conduit seal (D) is required within 18
in. (457 mm) of the motor for the US and
Canada.
3A2526D 11

Installation
Grounding
This equipment must be grounded to reduce the
risk of static sparking and electric shock. Electric
or static sparking can cause fumes to ignite or
explode. Improper grounding can cause electric
shock. Grounding provides an escape wire for the
electric current.
NOTE: For advanced motors EM0012 and
EM0022, all motors must be bonded to the
same high integrity equipotential system. See
Intrinsically Safe Installation Requirements for
Advanced Motors, page 12.
See Fig. 8. Loosen the ground screw and attach a
ground wire (Y). Tighten the ground screw securely.
Connect the other end of the ground wire to a true
earth ground.
Figure 8 Ground Wire
Intrinsically Safe Installation
Requirements for Advanced Motors
Do not substitute or modify system components
as this may impair intrinsic safety. For installation,
maintenance, or operation instructions, read
instruction manuals. Do not install equipment
approved only for non-hazardous location in a
hazardous location. See the identification label for
the intrinsic safety rating for your model.
See Appendix A - System Control Drawing 24N637,
page 26, for installation requirements and entity
parameters. Follow all installation instructions in your
system manual.
123A2526D

Operation
Operation
Startup
1. See Fig. 6 on page 11. Unlock the fused safety
switch (B) and turn it on.
2. See Fig. 7 on page 11. Press the start
pushbutton (C).
3. See Fig. 9. Check that the power indicator (L)
is lit (steady on).
4. See Advanced Motor Operation, page 13 or
Basic Motor Operation, page 14 for further
instructions.
Figure 9 Power Indicator
Shutdown
Follow the Pressure Relief Procedure, page 13.
Pressure Relief Procedure
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury
from splashing fluid and moving parts, follow the
Pressure Relief Procedure when you stop spraying
and before cleaning, checking, or servicing the
equipment.
1. Disengage the start/stop control (C). See Fig. 7.
2. Shut off and lock out the fused safety switch (B).
See Fig. 6.
3. Relieve all fluid pressure as explained in your
separate E-Flo DC pump manual.
Advanced Motor Operation
The Advanced E-Flo DC motors require installation of
the 24P822 Control Module Accessory Kit to provide
the interface for users to enter selections and view
information related to setup and operation. See Fig.
10. See the Control Module Accessory Kit manual for
installation and operation information.
NOTICE
To prevent damage to the softkey buttons, do not
press the buttons with sharp objects such as pens,
plastic cards, or fingernails.
Figure 10 Control Module Accessory
3A2526D 13

Operation
Basic Motor Operation
The basic motor has three operating modes:
• Pressure Mode
• Pressure Mode with Integrated Runaway
Protection
• Flow Mode
NOTE: Before changing from one mode to another,
turn the Control Knob (N) fully counterclockwise to 0.
Pressure Mode
When in pressure mode, the motor will adjust the
speedtomaintainaconstantfluidpressure.
1. See Fig. 11. Turn the Control Knob (N) fully
counterclockwise to 0.
2. Pull the Mode Select switch (M) out to set. Turn
the switch to Pressure . Push the switch in
to lock.
3. Pull the Control Knob (N) out to set. Turn the
knob clockwise to increase the pressure, or
counterclockwise to decrease the pressure.
Push the knob in to lock.
Figure 11 Pressure Mode
Pressure Mode with Integrated Runaway
Protection
In pressure mode with integrated runaway protection,
the motor will adjust the speed to maintain a constant
fluid pressure, but will shut down if it exceeds a
user-set speed.
1. See Fig. 12. Turn the Control Knob (N) fully
counterclockwise to 0.
2. Pull the Mode Select switch (M) out to set. In
the Runaway range, turn the switch to the
desired shutdown speed in cycles per minute (5,
10, 15, 20, or 25). Push the switch in to lock.
3. Pull the Control Knob (N) out to set. Turn the
knob clockwise to increase the pressure, or
counterclockwise to decrease the pressure.
Push the knob in to lock.
NOTE: The motor will shut down if the selected
speed is exceeded for 5 cycles. To reset, turn the
Control Knob (N) fully counterclockwise to 0, then
turn to the desired pressure.
Figure 12 Pressure Mode with Integrated Runaway
Protection
143A2526D

Operation
Flow Mode
When in flow mode, the motor will maintain a
constant speed regardless of the fluid pressure, up
to the pump’s maximum working pressure. See
Technical Data, page 33.
1. See Fig. 13. Turn the Control Knob (N) fully
counterclockwiseto0.
2. Pull the Mode Select switch (M) out to set. Turn
theswitchtoFlow . Push the switch in to
lock.
3. The amount of flow is determined by the cycle
rate set with the Control Knob (N). The knob’s
scale (0–10) corresponds to a cycle adjustment
range of 0-30 cycles per minute. Turn the Control
Knob(N)clockwisetoincreasethecyclerate
(flow), or counterclockwise to decrease the cycle
rate (flow).
Figure 13 Flow Mode
3A2526D 15

Maintenance
Maintenance
Preventive Maintenance Schedule
The operating conditions of your particular system
determine how often maintenance is required.
Establish a preventive maintenance schedule by
recording when and what kind of maintenance is
needed, and then determine a regular schedule for
checking your system.
Change the Oil
NOTE: Change the oil after a break-in period of
200,000–300,000 cycles. After the break-in period,
change the oil once a year. Order two Part No.
16W645 ISO 220 silicone-free synthetic gear oil.
1. See Fig. 14. Place a minimum 2 quart (1.9 liter)
container under the oil drain port. Remove the
oil drain plug (25). Allow all oil to drain from the
motor.
2. Reinstall the oil drain plug (25). Torque to 25–30
ft-lb (34–40 N•m).
3. See Fig. 15. Open the fill cap (P) and add Graco
Part No. 16W645 ISO 220 silicone-free synthetic
gear oil. Check the oil level in the sight glass (K).
Fill until the oil level is near the halfway point of
the sight glass. The oil capacity is approximately
1.5 quarts (1.4 liters). Do not overfill.
4. Reinstall the fill cap.
Figure 14 Oil Drain Plug
Check Oil Level
See Fig. 15. Check the oil level in the sight glass (K).
The oil level should be near the halfway point of the
sight glass when the unit is not running. If low, open
the fill cap (P) and add Graco Part No. 16W645 ISO
220 silicone-free synthetic gear oil as required. The
oil capacity is approximately 1.5 quarts (1.4 liters).
Do not overfill.
Figure 15 Sightglass and Oil Fill Cap
Bearing Pre-Load
See Fig. 15. The bearing pre-loads (R) are factory
set and are not user adjustable. Do not adjust the
bearing pre-loads.
16 3A2526D

Error Code Troubleshooting
Error Code Troubleshooting
Error codes can take three forms:
•Alarm :alert
s you to the alarm cause and shuts
down the pump.
• Deviation :alerts you to the problem, but pump
may continue to run past the set limits until the
system’s absolute limits are reached.
•Advisory:
information only. Pump will continue to
operate.
NOTE: On Advanced motors, flow (K codes) and
pressure (P codes) can be designated as alarms
or deviations. See Setup Screen 4 in the Control
Module Manual.
NOTE: In the error codes listed below, an “X” means
thecodeisass
ociated with the display only.
NOTE: In the error codes listed below, a “?” in the
code is a placeholder for the unit number where the
event occurred.
NOTE: The blink code is displayed using the power
indicator on the motor. The blink code given below
indicates the sequence. For example, blink code 1–2
indicates 1 blink, then 2 blinks; the sequence then
repeats.
NOTE: Abli
nk code of 9 is not an error code, but
an indicator of which pump is active ( softkey
has been pushed, see Run Screen 1 in the Control
Module Manual).
Applicable
Motor
Blink Code Display Code Alarm or
Deviation
Description
Advanced 1–2 K1D? Alarm Flow is below minimum limit.
Advanced None K2D? Deviation Flow is below minimum limit.
Basic and
Advanced
1K4D? Alarm Flow exceeds maximum target; also
indicates pump runaway condition exists.
Advanced None K3D? Deviation Flow exceeds maximum target; also
indicates pump runaway condition exists.
Advanced 1–3 P1I? Alarm Pressure is below minimum limit.
Advanced None P2I? Deviation Pressure is below minimum limit.
Advanced 1–4 P4I? Alarm Pressure exceeds maximum target.
Advanced None P3I? Deviation Pressure exceeds maximum target.
Basic and
Advanced
2V1I? Alarm Brown out; voltage supplied to motor is too
low.
Basic and
Advanced
3V4I? Alarm Voltage supplied to motor is too high.
Advanced 2–3 CAD? Alarm Unit detects a loss of CAN communication.
This alarm is only logged. No flashing
alarm appears on the display, but the blink
code does occur.
Advanced None CAC? Alarm Display detects a loss of CAN
communication. Flashing alarm
appears on the display, and the blink code
occurs.
CONTINUED ON THE NEXT PAGE.
3A2526D 17

Error Code Troubleshooting
Applicable
Motor
Blink Code Display Code Alarm or
Deviation
Description
Advanced 2–4 CAG? Alarm Display detects a loss of modbus
communication when control access is set
to modbus.
Basic and
Advanced
4WXD? Alarm An internal circuit board hardware failure
is detected.
Advanced 1–5 WSD? Alarm Invalid lower size; occurs if the unit is
operated before setting up the lower size.
Basic and
Advanced
5T3D? Deviation Over temperature.
Advanced None P5DX Deviation More than one pump is assigned to a
transducer. The assignment for that
transducer is automatically cleared under
this condition. User must reassign.
Advanced None P6CA or
P6CB
DeviationFor units without closed loop pressure
control: Transducer (A or B) is enabled
but not detected.
Advanced 1–6 P6D? Alarm For units with closed loop pressure control:
Transducer is enabled but not detected.
Advanced None MND? Advisory Maintenance counter is enabled and
countdown reached zero (0).
Basic 6 None Alarm The Mode Select knob is set between
Pressure and Flow . Set knob
to the desired mode.
Basic and
Advanced
2–6 V1M? Alarm AC power is lost.
Basic and
Advanced
3–5 T2D? Alarm Internal thermistor disconnected.
Basic and
Advanced
3–4 WNC? Alarm Software versions do not match.
Basic and
Advanced
3–6 CCN? Alarm Circuit board communication failure.
Basic and
Advanced
4–5 WMC? Alarm Internal software error.
Basic and
Advanced
9No
ne None A blink code of 9 is not an error code, but
an indicator of which pump is active (see
NOTE above).
18 3A2526D

Repair
Repair
Replace Output Seal Cartridge
1. Stop the pump at the bottom of its stroke. Shut
off and lock out power to the motor.
2. Follow the Pressure Relief Procedure, page 13.
3. Disconnect the lower from the motor, as
explained in your separate E-Flo DC pump
manual.
4. Drain the oil from the motor. See
Change the Oil, page 16.
5. Reinstall the oil drain plug. Torque to 25–30 ft-lb
(34–40 N•m).
6. Unscrew the output cartridge (19) from the motor.
See Parts, page 20.
7. Install the new output cartridge. Torque to 70–80
ft-lb (95–108 N•m).
8. Fill with oil. See Change the Oil, page 16.
9. Reconnect the lower to the motor.
10. Turn on power and resume operation.
3A2526D 19

Parts
Parts
Basic Motor Assembly
EM0011, Series A, 1 Horsepower Motor
EM0013, Series A, 1 Horsepower Motor, with Region-Specific Approvals
EM0021, Series A, 2 Horsepower Motor
EM0023, Series A, 2 Horsepower Motor, with Region-Specific Approvals
20 3A2526D