Speed Queen Washer Error Code Eio 49: Cold Hard Fill Valve Shorted
Eio 49 means the input/output board reports a shorted output for the cold hard fill valve. The control sounds a pulsing alarm for two minutes, and the manual clears it by cycling power. If it returns, it needs a technician.
Medium: a shorted valve output calls for service, while the manual describes only an alarm and a power reset.
- Code
- Eio 49
- Maker
- Speed Queen
- Equipment
- Washers
- Applies to
- Alliance/Speed Queen CHM1792C_SVG washer-extractor (model numbers on p. 8)
What does Speed Queen error code Eio 49 mean?
Some Speed Queen washer-extractors have more than the basic hot and cold fill valves, and one of them is called the cold hard fill valve in the manual. It is switched by its own output on the input/output board. If the board finds that output shorted, it posts Eio 49 and the display shows “Cold Hard Fill Valve Shorted”.
The manual does not explain the purpose of that valve beyond its name, and it lists no causes. It does say the control sounds a pulsing alarm tone for two minutes and that the error is cleared by disconnecting and then reconnecting power. Since this valve may not be fitted or used on every model in the programming manual, the information that matters most is which program or step was running. A technician can then match the code to the right wiring on that particular machine.
Affected models and control systems
Alliance/Speed Queen washer-extractors covered by programming manual CHM1792C_SVG; the model numbers are listed on page 8 of that manual.
Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.
What you may notice
- Two-minute pulsing alarm
- Eio 49 on the display
- The extra cold fill step does not deliver water
Possible causes
Likely causes — what usually sits behind error code Eio 49 on this control. A technician confirms which one it is before any part is replaced.
- Cold hard fill valve coil with a shorted winding
- Connector at the valve wet or corroded
- Output on the board failed in a shorted state
Safe checks before calling for service
- Note the code and which program was running.
- Cycle power as the manual says.
- See whether the code returns when the same program reaches the fill step.
- Report the model number so the valve can be identified on the wiring diagram.
How a technician diagnoses error code Eio 49
- Confirm the repeat after a power cycle.
- Identify the cold hard fill valve on this model from the wiring diagram.
- Measure its coil resistance with the power off.
- Inspect the connector and harness for moisture and damage.
- Replace the valve, harness or board after the readings point to one.
- Identifying the right valve and wire takes the model's wiring diagram.
- Valve connectors sit in cabinets with mains-voltage wiring.
- Repeated attempts on a shorted output can harm the board.
Technical reference
- Document
- Washer-Extractor Programming CHM1792C_SVG (Original Instructions)
- Edition
- Part No. F8641001ENR4, January 2020
- Models / control
- Alliance/Speed Queen CHM1792C_SVG washer-extractor (model numbers on p. 8)
- Section
- Error Codes, Table 29, pp. 100-108 (PDF pages equal printed pages)
- Checked
- October 2026
We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.
Related Speed Queen washer error codes
What is the cold hard fill valve?
The manual names it but does not describe it further. A technician can point it out on your model.
Does Eio 49 affect the hot water?
The code refers to one valve output only, so hot fill is not named.
Is a power cycle enough?
It clears the code per the manual, but a real short will bring it back.
Need help with Speed Queen error code Eio 49?
A technician confirms the cause on site and gives you the price in writing before any work starts.