Philips Lands Phones - Recent Questions, Troubleshooting & Support

The default PIN is '0000', 4 zeros. https://www.google.com/search?q=philips+cd535+forgot+pin+code

Philips CD535 User Manual - ManualsLib

https://www.manualslib.com > ... > CD535 Advanced Settings Reset Reset to default settings Press , scroll MENU SELECT Enter the Master PIN when prompted and press If your PIN number is the default 0000

Pls reg h / s error message for ionizing phones uniden
This error cannot be fixed at all. Please help me help

Could be line cord connection at base or other wiring issue. Do you have a different phone(s) at same location that work? If you have a known good phone, the simpler the better, unplug all other tele devices at your location and verify the know good phone works?

You should have a key symbol on the * key. Press and hold this to turn on and off the lock feature.

here is your phone manual

Small knowledge of electricity and Voltmeter. Check voltage on contact for charging. Voltage depend of used batteries and simple definition is that voltage must be something higher.

indicates a registration issue or flat battery

You need to dry it out completely. A few centrifugal swings around your shoulder might remove much of the water. Then try one of these drying methods: Place it on a register or AC vent for a day or so might be the best way to get it dry. Afterwards, (if trying to operate it didn't short out a component,) it might work again.