Quick Answer
If your Racold geyser is not heating, the most common causes are a tripped thermal cut-out (reset button), a burnt-out heating element, a failed thermostat, or no power reaching the unit. Start by checking the power supply and the reset button on the unit; if that does not restore heating, the element or thermostat likely needs replacement by a technician.
This guide explains each cause, how to fix it safely, and when to call for service. For general (non-Racold) heating issues, see our broader guide on why a geyser is not heating water.
Common Causes
- Tripped thermal cut-out – a safety reset trips after overheating and must be pressed back in.
- Burnt heating element – scale build-up or age can cause the element to fail.
- Faulty thermostat – if it does not sense temperature, it never powers the element.
- No power supply – a tripped MCB, loose wiring or a dead socket.
- Sediment build-up – heavy scale insulates the element so water heats slowly or not at all.
Step-by-Step Fixes
- Check the power: confirm the switch is on, the indicator light glows, and the MCB has not tripped. Reset the MCB if needed.
- Press the reset button: Racold storage geysers have a thermal cut-out reset near the element cover. Switch off power, remove the cover and press it firmly.
- Listen and wait: give the geyser the normal heating time before assuming a fault – see how long a geyser should take to heat water.
- Test the element: a technician can check the element and thermostat with a multimeter; our guide on how to check a geyser heating element explains the method.
If the element or thermostat is faulty, replace it with a genuine Racold spare. Browse compatible parts and tools below.
Browse Geyser Elements & Parts on Amazon India ↗
Prevention
- Flush the tank once or twice a year to clear sediment, especially in hard water.
- Set a moderate thermostat around 55–60°C to reduce scaling and stress on the element.
- Replace the anode rod periodically to protect the tank and element.
- Switch off when not in use to extend element life and cut bills.
When to Call a Technician
Call an authorised Racold technician if the reset button keeps tripping, the element or thermostat tests faulty, you see scorch marks, or there is any sign of water near the electrical parts. Never open the unit while it is powered, and avoid DIY repairs on the wiring if you are unsure.
Frequently Asked Questions
Why is my Racold geyser not heating but the light is on?
The indicator light shows power is reaching the unit, but the element or thermostat may have failed. The thermal cut-out may also have tripped, so try the reset button first.
Where is the reset button on a Racold geyser?
It is the thermal cut-out, usually located under the element cover plate. Switch off the power, remove the cover, and press the small button firmly.
How much does it cost to fix a Racold geyser element?
A replacement heating element typically costs a few hundred to around a thousand rupees plus labour, depending on the model and capacity.
Can sediment stop a Racold geyser from heating?
Yes. Heavy scale insulates the element, making water heat slowly or not at all. Flushing the tank often restores normal performance.