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49.XX.XX
Explanation:
A critical firmware error occurred.
49 errors are unrecoverable exception errors in product firmware. When a 49 error occurs, the user sees a 49.XX.XX message on the control panel (where XX.XX is replaced by a combination of numbers and letters). A 49 error might happen at any time for multiple reasons. Although some types of 49 errors can be caused by hardware failures, it is more common for 49 errors to be caused by printing a specific document or performing some task on the product than it is for a hardware component to be at fault.
Most commonly, 49 errors occur when a product is asked to perform an action that the product firmware is not capable of and might not have been designed to comply with, such as:
· Printing files with unsupported programming commands.
· A unique combination of user environment and user interactions with the product.
· Interfacing with a third-party solution that was not designed to work with the product.
· Specific timing, network traffic, or concurrent processing of jobs.
Each of these interactions could cause the product firmware to initiate an action that the product cannot accomplish. In situations like this, the product might present the error if it has no other option. When these errors occur, the only way to recover is to turn the products power off and back on.
NOTE: LaserJet formatter PCA's are rarely the root cause of 49 service errors. Please do not replace the formatter or Flash unless troubleshooting has identified the formatter as the root cause.
I suggest that you try to upgrade your printer's firmware and then try doing a FULL NVRAM Initialization .

We found out that the F32 code means you have a faulty pressure switch. From my online research this is a common thing with the whirlpool.

We had just bought it and the next day when it was delivered we were excited to try it out and got that bloody F32 code...luckily 2 days later we got it fixed by a repairman.

I have know idea why Whirlpool would make a product with all sorts of codes, but no explanation as to what they mean. That makes no sense.