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22 - Fault Finding

The pump’s LEDs will flash RED to display Error Codes to help you diagnose a fault condition.

The following LED flashing sequences will show up on UI.

Error Code (blinks in 

1/2 second intervals)

Description

Probable Cause(s)

1 blink

Locked Rotor

Impeller is unable to turn - debris in system

2 blinks

Over Current

High Motor Load

3 blinks

Over Temperature

Motor might be faulty or viscous medium is present.

High Motor Load, Water Temperature too hot, Pump running dry.

4 blinks

Over Voltage

Line voltage is too high.

5 blinks

Under Voltage

Line voltage is too low for proper operation.

6 blinks

Communication Fault

7 blinks

Motor Temperature Fault

Control temperature near maximum limit.

Control reduces rpm to reduce heat.

8 blinks

Staging Fault

22.1 - Error Codes

LIMITED WARRANTY STATEMENT

Taco, Inc. will repair or replace without charge (at the company’s option) any 

commercial pump product or part which is proven defective under normal 

use within one (1) year from the date code.

Seals provided on commercial pumps are not covered by this warranty.

In order to obtain service under this warranty, it is the responsibility of the 

purchaser to promptly notify the local Taco stocking distributor or Taco in 

writing and promptly deliver the subject product or part, delivery prepaid, to 

the stocking distributor. For assistance on warranty returns, the purchaser 

may either contact the local Taco stocking distributor or Taco. If the subject 

product or part contains no defect as covered in this warranty, the purchaser 

will be billed for parts and labor charges in effect at time of factory

examination and repair.

Any Taco product or part not installed or operated in conformity with Taco 

instructions or which has been subject to misuse, misapplication, the

addition of petroleum-based fluids or certain chemical additives to the sys-

tems, or other abuse, will not be covered by this warranty.

If in doubt as to whether a particular substance is suitable for use with a 

Taco product or part, or for any application restrictions, consult the

applicable Taco instruction sheets or contact Taco at [401-942-8000].

Taco reserves the right to provide replacement products and parts which 

are substantially similar in design and functionally equivalent to the

defective product or part. Taco reserves the right to make changes in details 

of design, construction, or arrangement of materials of its products without 

notification.

TACO OFFERS THIS WARRANTY IN LIEU OF ALL OTHER EXPRESS 

WARRANTIES. ANY WARRANTY IMPLIED BY LAW INCLUDING

WARRANTIES OF MERCHANTABILITY OR FITNESS IS IN EFFECT 

ONLY FOR THE DURATION OF THE EXPRESS WARRANTY SET 

FORTH IN THE FIRST PARAGRAPH ABOVE.

THE ABOVE WARRANTIES ARE IN LIEU OF ALL OTHER WARRAN-

TIES, EXPRESS OR STATUTORY, OR ANY OTHER WARRANTY OBLI-

GATION ON THE PART OF TACO.

TACO WILL NOT BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDI-

RECT OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE 

OF ITS PRODUCTS OR ANY INCIDENTAL COSTS OF REMOVING OR 

REPLACING DEFECTIVE PRODUCTS.

This warranty gives the purchaser specific rights, and the purchaser may 

have other rights which vary from state to state. Some states do not allow 

limitations on how long an implied warranty lasts or on the exclusion of in-

cidental or consequential damages, so these limitations or exclusions may 

not apply to you.

A Taco Family Company

2019 

Summary of Contents for 1900e Series

Page 1: ...SUPERSEDES NEW Effective January 21 2019 302 388 Plant ID No 001 5016 Instruction Sheet 1915e ECM Circulator...

Page 2: ...Connections Setup and Operation Control UI Panel Layout Switching On Off Pump Functions Mode Descriptions Specifications Application Electrical Ratings Standards Protection Connections Materials of Co...

Page 3: ...chaudes peuvent provo quer des br lures Le moteur peut galement atteindre des temp ratures qui peuvent entra ner des blessures Warning The addition of petroleum based fluids or certain chemical additi...

Page 4: ...l position or the vertical position with the control module facing up see Figure 1 The cover can be rotated independent of the pump to adjust orientation of the User Interface the cable glands should...

Page 5: ...g and Impeller Motor assembly Using the new gasket provided with the seal kit reassemble the Impeller Motor assembly to the casing and secure with the four body bolts Use caution not to pinch the body...

Page 6: ...he pressure begins to drop Constant Speed 3 settings 35ft 25ft 15ft Maintains speed at selected head at 0 flow In Constant Speed mode the impeller speed is maintained through the entire range of flow...

Page 7: ...tection electronically protected Continuous Duty UL778 1004 1 508C CAN CSAC22 2 108 100 107 1 EMC 89 366EEC EN61000 Flange Connections 2 bolt 17 Materials of Construction Casing Impeller Shaft Bearing...

Page 8: ...external controller MOTOR CONTROLLER RIBBON CABLE Connects High Voltage Power Module to UI If the cable becomes disconnected reconnect to MOTOR CONTROL RIBBON CABLE connector 21 Connection Considerat...

Page 9: ...l 3 2 PUMP OPERATION Lead Pump 2 PUMP OPERATION Lag Pump Analog Control Curve RUN Voltage MAX Voltage Function 1 V 3 V Pump at minimum speed 0 V 2 V Pump is at 1 2 speed 3 V 3 to 10 V Speed is proport...

Page 10: ...n effect at time of factory examination and repair Any Taco product or part not installed or operated in conformity with Taco instructions or which has been subject to misuse misapplication the additi...

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