Goodman Error Code RDS slow flash: Normal operation – leak detection OK (Air Handler)
Goodman error code RDS slow flash on a air handler means: Normal operation - leak detection OK. It is also called Goodman diagnostic code RDS slow flash.
Homeowner? What Goodman code RDS slow flash means for you
Usually minor Your air handler is reporting: Normal operation - leak detection OK. This code is usually informational or minor. The safe checks below often clear it; call us if it keeps showing up.
Safe things you can check yourself
- Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
- Make sure the unit has power: its on/off switch (often looks like a light switch near the unit) is ON and the breaker in the electrical panel is not tripped.
- Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
- Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.
Call (647) 657-2977Book a service call
Licensed technicians serving Vaughan, Toronto and the GTA.
What does Goodman error code RDS slow flash mean?
The red LED on the leak detection (RDS) board flashes slowly, about 2 seconds on and 2 seconds off, when the R-32 detection system is healthy and no leak is sensed. It can be seen through the round glass window in the top access panel. No action is needed. The unit must stay powered except during service.
Applies to: AMST/AWSF/ACSF R-32 air handlers
Goodman models that use code RDS slow flash
ACSF****13**AAAMST***U1300AAAWSF****13**AAAWST****13**AA
Other Goodman Air Handler codes
All Goodman Air Handler error codes →
Goodman code RDS slow flash: homeowner questions
What does Goodman code RDS slow flash mean?
Normal operation - leak detection OK. The red LED on the leak detection (RDS) board flashes slowly, about 2 seconds on and 2 seconds off, when the R-32 detection system is healthy and no leak is sensed. It can be seen through the round glass window in the top access panel. No…
Is it safe to keep using my air handler with code RDS slow flash?
Usually yes. Code RDS slow flash is normally minor, but if it keeps coming back have it checked.
Can I reset Goodman code RDS slow flash myself?
You can try one reset (power off for 30 seconds, then on). If Goodman code RDS slow flash comes back, the cause is still there and a licensed technician should check it.
Who can fix Goodman code RDS slow flash near me?
Aurora Star Tech Inc. repairs Goodman air handlers in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.
Troubleshooting guides
- Blower not running - R-32 AMST/AWSF EEM air handler Goodman · Air Handler
- No electric heat - R-32 air handler heat kit Goodman · Air Handler
- Outdoor unit not communicating - ComfortBridge AVPTC/MBVC Goodman · Air Handler
- Restart indoor-outdoor communication (Lrn) Goodman · Air Handler
- Run the R-32 leak alarm test (RDS test mode) Goodman · Air Handler
- View and clear the 6 most recent faults (FCL / L6F) Goodman · Air Handler
Source: R-32 GLXS/GLZS and AMST/AWSF service RS6200301, RDS A2L PCB FAULT CODE table p.25 and Recommended Action table p.26. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.