Fujitsu "AOU18RLXFZ 18,000 BTU Halcyon HFI Outdoor Unit" Logo

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Tom foster Posted on Feb 25, 2016
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Getting a 76 error code - Fujitsu "AOU18RLXFZ 18,000 BTU Halcyon HFI Outdoor Unit"

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  • Tom Kade
    Tom Kade Nov 04, 2021

    Trying to use for my Fujitsu Halcyon unit for heat but it's giving me error code 76.

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ADMIN Andrew

ADMIN Andrew

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  • Fujitsu Master 66,977 Answers
  • Posted on Nov 04, 2021
ADMIN Andrew
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Related Questions:

2helpful
1answer

C7 76 errors on RMNG-74PVN
Copy following links:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/Tankless-error-code-76.pdf
http://www.fixya.com/support/t2655330-paloma_tankless_gas_water_heater

Error code 76 can indicate PC board failure, or remote control failure.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Read full answer
Nov 29, 2012 • Water Heaters
tip

Get hot water from your Rheem tankless during a code 76 error
This doesn't always work, but on the Rheem tankless Gas/Propane water heater, if you're experiencing a code 76 error; disconnect the remote control unit (either from the water heater or the remote) by lifting the wires for the remote connection. Typically you'll get a C1-C8 error code, followed by a code 76; if you're getting a straight code 76 and nothing else, this procedure probably won't work.
Code 76 is a total power supply failure on the printed circuit board (PCB) assembly, which is the communication/power supply for the remote control unit. But, if you're getting a supplemental code (C1-C8) this procedure will most likely supply you with hot water until the replacement PCB arrives.
Read full tip
on Dec 01, 2009 • Rheem Tankless water heater for 1-2...
0helpful
1answer

C4 76 error code on richland waterheater
Richland tankless is made by Rheem.
C7-76 is communication fault with remote.
Turn off power at remote and wait 5 minutes, turn power back on at remote, and see if problem clears.
If problem continues, read below:

Before calling service technician, open following links for troubleshoot resources including error codes, Rheem chat, typical maintenance manual:
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Tankless water heater, more than any other type of heater, need to be maintained.
Maintaining tankless will probably not affect C7 76 fault code, but can prevent many other common error codes.
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf
Read full answer
Sep 14, 2011 • Rheem Tankless Hot Water Heater...
0helpful
1answer

I have a Rheem rtg 74dvp but its not heating and the display show me 1 76 and 2 76, and come all the time to 76 F and another times its blinking the temperature, but not heat
Error code 76 is communication problem between remote control and tankless unit.
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf
Multiple error codes could indicate that main PC board is bad.
Before calling service technician, open following link for troubleshooting resources including link to Rheem chat, manuals, error codes, etc.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
Read full answer
Jul 15, 2011 • Rheem Tankless Water Heater RTG-74DVP...
0helpful
2answers

Getting a 76 flashing on my Paloma PTG-74XP tankless water heater
Error code 76
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf
http://waterheatertimer.org/pdf/Rheem-Tankless-Fault-codes.pdf

Open following link for Rheem/Paloma/Richmond/Ruud tankless troubleshoot resources including error codes, self help, manuals, parts links, tips, and contact information.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Read manual cover to cover, make sure tankless receives yearly maintenance as outline in manual.

Add a comment with your experience so others with same-similar problem can benefit.

Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.
Read full answer
Mar 30, 2011 • Rheem Paloma PTG-74XP / RTG-74XP Liquid...
1helpful
1answer

I am getting the c7 error code and then it flashes 76?
Error code 76 has to do with communication fault with remote
Error codes here: http://www.palomastore.com/paloma_error_codes.html
Read full answer
Feb 28, 2011 • Rheem Tankless Hot Water Heater...
6helpful
1answer

I also a Paloma tankless water heater that is 2 years old. I am now getting an error code C7 76 also. Is this something I can take care of, or should I call a plumber to address?
Remove power source from the unit. If remote control is installed; remove cover and lift the control wires on the terminal...can be accomplished from either end.

Restore power and see if unit functions normally.

Contact Paloma/Rheem customer (800-432-8373) support and notify them IF you are getting a code "76" error. Rheem has recently extended the warranty on the "Burner Control Assm."; which is your problem. The C4-C8 portion of the error code, is where the unit stops the ignition process...burner fails to light, or gives you intermittent hot water. In either case, contact customer support .

If this helps, please indicate so.
Mike//jzklipper
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Nov 16, 2009 • Rheem Paloma PTG-74PVN / RTG-74PVN...
4helpful
2answers

FLASHING CODE C-7 WILL WORK FOR A WHILE THEN STOPS
disconnect the remote and see if the unit works properly; could be lost comm. between the burner control module and the burner assembly.

If your getting error code 76; contact Rheem customer support at (800-432-8373) and notify them IF you are getting a code "76" error

Mike...
Read full answer
Nov 15, 2009 • Rheem RTG-74PVN-2 Natural Gas Pronto Whole...
3helpful
1answer

Getting a 1e 76 error code
How old is your unit...if less than 5 years old tell Polam/Rheem customer support2.gif you are recieving a code 76 error - this is a loss of communication between the remote and the burner control assembly. Part will be covered under MF defect warranty. However, the part is covered....the labor to install is not.
If you are slightly technical you can install the part yourself...customer support will walk you through the process and they give you a step-by-step procedure to follow.
Read full answer
Sep 14, 2009 • Rheem Paloma PTG-74PVN / RTG-74PVN...
123helpful
11answers

Paloma tankless, gas, water heater, error code C7 76
If you look on the left hand side of the burner control module you'll see 4 capacitors - the capacitors have most likely failed...pretty sure anything code 76 is P/S failure. It may also be covered for manufactures defects. If the cap is blown..the top will be slightly raised as apposed to flat like the other nearby caps - they are called top blow capacitors...the damage should be evident.
Read full answer
Jul 24, 2009 • Rheem Paloma PTG-74PVN / RTG-74PVN...
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C7 76 errors on RMNG-74PVN

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