Speed Queen Commercial Washer Error Code EC:0A: Invalid Machine Type

What does Speed Queen error code EC:0A mean?

EC:0A is a card error on Speed Queen/Alliance commercial automatic washers that use data cards. The display text is "Invalid Machine Type," and the manual's error listing says the card or data is for a different machine type. The action is the same as the one for EC:06: wrong machine type, so before downloading, make sure the data is for the current machine type. The washer compares the machine type stored in the card data with its own. When they differ, the control refuses the data instead of loading settings meant for another model. The manual does not say how the machine types are named, does not list other causes, and does not say what the washer keeps after a refused load. The usual story is a laundry with more than one washer model, where a card made for one ends up in another. The fix is on the card side, by writing the right data for this model, not by changing anything in the washer.

Affected models and control systems

Speed Queen/Alliance commercial automatic washers covered by manual H002C: EDC (Micro-wand IIIe) models, MDC models and NetMaster models. The code is read from the card-reader (smart card) side of these controls, and the model numbers are listed on page 6 of the 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

• The display shows "Invalid Machine Type" (EC:0A)
• A card or download was just tried
• The washer keeps its old settings

Possible causes

Likely causes — what usually sits behind error code EC:0A on this control. A technician confirms which one it is before any part is replaced.

• Card or data is for a different machine type
• The card was made for another washer model in the same laundry
• A shared data file was downloaded without checking the machine type
• The machine type was changed in the card software after the data was written

Safe checks before calling for service

How a technician diagnoses error code EC:0A

1. Read the code and identify the washer's machine type.
2. Check the machine type in the card data.
3. Rewrite the data for the right type.
4. Reload and confirm acceptance.
5. Check the reader only if a correct card is refused.

How error code EC:0A differs from similar codes

EC:0A and EC:06 both point at a mismatch. EC:0A says the machine type is wrong; EC:06 says the data code is invalid.

Technical reference

Document

Commercial Automatic Washer (Metered and Nonmetered) Troubleshooting H002C

Edition

Part No. 39201R9, November 2016

Models / control

Speed Queen/Alliance commercial automatic washers H002C: EDC (Micro-wand IIIe) models, MDC models, NetMaster models (model numbers p. 6)

Section

32. EDC Error Code Listing, printed p. 59 (PDF p. 61); 41. MDC Error Code Listing, printed p. 72 (E:dr, E:FL, EC:19); 50. NetMaster Error Code Listing, printed pp. 90-93 (PDF pp. 92-95)

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.