Troubleshooting

The Guardian CP™ incorporates built-in diagnostics. If the AMTROL Pressuriser® is not functioning properly or is inoperable, look for a error code (example E1) on the digital readout before proceeding. Error codes are listed in the table at the bottom of this page.

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

 

1.

No Power.

1.

Check circuit breaker and fuses, tighten connections.

 

2.

Faulty wiring.

2.

Check wiring per installation diagram in this booklet. If pump hums,

Pump will not start.

 

 

 

but will not start, check pump motor wiring (115/230V).

3.

Damaged motor.

3.

If display illuminates with no error code, but pump will not start,

 

 

 

 

 

replace pump.

 

4.

Damaged control.

4.

If power is present at L1/L2 but display is blank, replace control.

 

 

 

 

 

 

1.

Supply closed/blocked.

1.

Open all supply valves, ensure check valve is not sticking, clean

 

 

 

 

any filters.

Pump runs but will

2.

Bypass loop open.

2.

Close bypass valve.

 

 

 

 

not build pressure.

3. Pump plumbed backwards.

3.

Reverse inlet/outlet.

 

4.

Bad internal parts.

4.

Check for bad seals or broken impeller. Repair or replace as

 

 

 

 

necessary.

 

 

 

 

Pump builds

1. Operating pressure set too high.

1.

Reduce control setting as necessary.

2.

Bad internal parts.

2.

Check for bad seals or broken impeller. Repair or replace as

pressure but will not

 

 

 

necessary.

shut off.

 

 

 

3.

Control line blocked.

3.

Remove control line and blow compressed air to clear.

 

 

 

 

 

 

Pump starts too often

1.

Control differential too narrow.

1.

Set cut-in and cut-out 20 psi apart.

2. Tank precharge incorrect.

2.

Set air pressure 2 psi below cut-in while pump is off and gauge

(cycles under 30

 

 

 

pressure is zero.

sec.).

 

 

 

3.

Waterlogged pressure tank.

3.

If water emerges from tank air stem when depressed, replace tank.

 

 

 

 

 

 

To reset control at any time, press    buttons simultaneously for 5 seconds.

To "invert" the display for easier viewing, press   together for 3 seconds.

CODE

REASON

ACTION

CAUSE & REMEDY

 

 

 

 

E1

Rapid cycle

Switch continues to operate.

See “Pump Starts Too Often” above.

Excessive amp draw

Have pump checked for proper operation.

 

 

 

 

 

 

 

E2

Low-suction

Shuts off pump. Auto restart

1.

Determine cause of low-suction.

 

(running pressure)

after 60 min.

2.

Check Wiring.

 

below 10 PSI

 

3.

Inspect pump.

 

 

 

 

E3

Improper voltage

Shuts off pump.

Restore voltage to proper range. Pump automatically

 

 

 

restarts with proper voltage.

 

 

 

 

 

THE GUARDIAN CP CONTROL CONTAINS NO SERVICEABLE PARTS. REMOVAL OF MAIN CIRCUIT BOARD COVER WILL VOID WARRANTY.

LOW-LEAD

1400 Division Road, West Warwick, RI USA 02893

T:800.426.8765 F: 800.293.1519 www.amtrol.com

Mark of the Originator

© 2014 AMTROL Inc.

Part #: 9040B140 (07/14)

Page 3 Page 4
Page 4
Image 4
Amtrol RP-10HP, RP-15HP, RP-25HP warranty Troubleshooting, Problem Cause Solution
Page 3 Page 4

RP-15HP, RP-10HP, RP-25HP specifications

Amtrol, a well-regarded name in the industry of pressure tanks and water systems, offers a range of products designed for durability, efficiency, and optimal performance. Among their lineup, the RP series, which includes the RP-15HP, RP-25HP, and RP-10HP models, stands out for a variety of reasons.

The RP-15HP, RP-25HP, and RP-10HP are designed primarily for residential and light commercial applications, making them versatile units suitable for various settings. One of their key features is their construction; these tanks are manufactured using high-quality steel, which ensures strength and longevity. The tanks are also coated with a corrosion-resistant finish, providing an added layer of protection against wear and tear from environmental factors.

Another defining characteristic of the Amtrol RP series is their internal liner, which is designed to keep water clean and fresh. This feature is particularly valuable in maintaining health standards in potable water applications. The tanks are also lightweight and easy to install, which simplifies the process for both professionals and DIY enthusiasts.

In terms of technology, the RP series incorporates advanced manufacturing processes. The design features a unique diaphragm system, which helps to create a barrier between the water and air, reducing the risk of contamination. This advanced technology not only extends the life of the tank but also improves the efficiency of water delivery systems.

The RP-15HP, RP-25HP, and RP-10HP models come with different capacities, catering to the varying demands of users. The RP-10HP has a smaller capacity, making it ideal for single-family homes, while the RP-15HP and RP-25HP models are suited for larger households or light commercial applications where more water storage is required.

Energy efficiency is another highlight of these models. The diaphragm technology reduces the need for the pump to cycle frequently, thereby saving energy and lowering operational costs. This efficiency not only benefits the environment but also aligns with the growing demand for sustainable solutions in water management systems.

In summary, the Amtrol RP-15HP, RP-25HP, and RP-10HP tanks offer a blend of durability, innovative technology, and energy efficiency, making them a smart choice for anyone looking to invest in a reliable water storage solution. With their impressive features and solid construction, these tanks are built to meet the demands of modern water systems while ensuring user satisfaction and sustainability.
Top Page Image Contents