What F-42 / F-43 (110 / Whirlpool-built Oasis) Means
F-42 and F-43 on the Whirlpool-built Oasis dryer report an under-voltage condition, and the published first check is the power cord connections at the terminal block behind the machine rather than anything inside it.
Common Causes of F-42 / F-43 (110 / Whirlpool-built Oasis)
- Loose cord connections at the dryer terminal block
- A worn outlet no longer gripping the plug pins
- Household supply voltage genuinely low under load
🔧 One Safe Check You Can Try
Look at whether house lights dim when the dryer starts and whether the machine is plugged into an adaptor or extension; both point outside the appliance and both are free to check.
⚠ Why You Shouldn't Go Further Than That
- Terminal block work on a 240-volt appliance circuit belongs to an electrician rather than to an appliance panel.
- A connection that has been running hot damages the block itself, so retightening alone is not a repair.
- Fitting new dryer parts will not raise a supply voltage that is low before the machine.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.