Error Code C-30
PCB sensor opened or shorted
Moderate
Address soon - your appliance may not work properly
What This Means
PCB sensor open circuit; PCB sensor short circuit; Control relay failure; Damaged PCB solder joints
How to Fix
- 1
Disconnect power and remove back cover
- 2
Measure PCB sensor resistance (normal 3900Ω at room temperature)
- 3
Measure oven sensor resistance (normal 1080Ω)
- 4
Check Control Relay connections
- 5
Check Bake and Broil harness connections
- 6
Repair or replace PCB if pattern damaged
Other Error Codes for NX58M9960P
Temperature probe sensor issue (open or short when oven operating)
Main to touch panel communication interrupted
Steam sensor open or short during steam mode operation
PCB around temperature high (safety error)
Drain system failure - water remained after max draining time
Oven sensor open (over 2950Ω) or Oven sensor short (under 930Ω)
Oven heating over (temperature exceeds acceptable range)
Cooling motor operating abnormally