Wolf Legacy E Series Code Error 07 0 31: Relay module low-voltage fuse error

What Error 07 0 31 means

Error 07 0 31 on Wolf Legacy E Series wall ovens such as the SO30CE/B/TH reads RM LOV Fuse Error. The control reports a problem with the low-voltage fuse on the relay module. With that fuse not reading correctly, parts of the oven may lose power, and the code stays on the display. The 0 in this code is part of the number, so it applies to the oven control rather than to one cavity.

Common causes of Error 07 0 31

Low-voltage fuse on the relay module open
Short on the low-voltage side blowing the fuse
Relay module failing

✓ One safe check you can try

1. Turn the oven off and give it 30 minutes. 2. Flip the circuit breaker off, count to sixty, and switch it on. 3. Check whether the display and lights come on normally. 4. If the oven throws Error 07 0 31 again, call us and keep it off.

! Why to stop there

A fuse that opens usually means something drew too much current, so just replacing it can repeat the problem.
The relay module is inside the control area and is not an owner repair.
We find why the fuse opened and quote in writing first.
The 30-day workmanship warranty is included in the quote.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Wall Oven codes

0121Wolf M Series Oven Code 0121: upper right convection relay shorted 0221Wolf M Series Code 0221: Upper Bake Element DLB Shorted 0321Wolf M Series Oven Code 0321: Broil Relay Shorted on the Upper Element 0421Wolf M Series Code 0421: upper left convection relay shorted 0630Wolf M Series Oven Code 0630: Auxiliary DLB Shorted 2030Wolf M Series Code 2030: Relay board ambient thermistor circuit 3821Wolf M Series Code 3821: Upper bake bank wiring error 2130Wolf M Series Code 2130: Relay board voltage calibration failed

Error 07 0 31Error 07 0 31 questions

What do RM and LOV stand for?

The display prints them as RM LOV, and we keep the labels. They name the relay module and its low-voltage fuse, which the control reports as not right.

Is it the same as Error 07 0 32?

It is the sister code. Error 07 0 31 is the low-voltage fuse, and Error 07 0 32 is the HIV fuse on the same relay module, so we check both.

Why not just fit a new fuse?

If a short blew it, a new fuse can open again or hide damage. We test the circuit first so the repair holds. Nothing is replaced on a guess.