Clementi condo ran warm after install: energy-saving mode left on
A new Clementi condo had a unit installed that cooled well for a few minutes, then drifted warm again before settling into a strange, repeating cycle. This university-adjacent area sees frequent condo turnover. An energy-saving mode left on from setup is easy to miss until the cycling appears.
By Team Snowflake | Reviewed 11 Jul 2026
Case summary
Daikin Wall-mounted2 years oldCondoClementi, Singapore
- Concern
- The homeowner worried the brand-new unit itself was already faulty somehow and would need a full warranty replacement.
- Found
- Energy-saving mode left switched on from the installer's setup routine, capping the compressor and letting the room drift warm
- Key check
- Checked the remote's operating mode before assuming a defective new unit
- Result
- The unit has cycled normally and predictably every single day since the mode was corrected a few weeks ago. The homeowner avoided pursuing a warranty replacement for a unit that was never actually faulty in the first place.
What we were told
The homeowner said it cooled normally for a short while after switching on, then seemed to lose track of the room temperature entirely and cycled oddly afterward. This had happened since the very first day of use. The condo itself was a recent purchase with the unit installed during move-in.
What we checked
We treated the day-one timing as the strongest lead rather than assuming a defective new unit straight away. A factory fault usually shows a far more obvious symptom than odd cycling like this. We checked the remote's operating mode settings before assuming anything was wrong with the unit itself.
The unit itself powered on and ran mechanically fine throughout, with no fault codes appearing at any point.
The remote had been left on an energy-saving mode from the installer's original setup and demonstration.
That mode was capping the compressor's output well below what the room actually needed to stay cool.
Once switched back to normal mode, the unit read and responded to the actual room conditions exactly as expected.
What we found
During the original installation, the installer likely used the energy-saving mode to demonstrate quiet operation before handover, then never switched it back. This likely happened in the rush of a move-in day install. With the compressor capped by that mode, the unit could cool the room briefly on start-up. It then lost ground as the capped output fell behind the room's actual cooling need. That gap created the odd pattern the homeowner noticed from day one.
What fixed it
We switched the unit back to normal operating mode and tested its response against the room's actual conditions over several full cycles. We did not recommend a warranty claim, since the unit itself was never actually defective. We advised confirming the operating mode is checked and reset, not just demonstrated, at the end of any future installation visit.
Outcome
The unit has cycled normally and predictably every single day since the mode was corrected a few weeks ago. The homeowner avoided pursuing a warranty replacement for a unit that was never actually faulty in the first place.
What this case teaches us
Strange cycling after a new install often means a leftover setting, not a defect
- Odd cycling on a brand-new unit is more often a leftover setting from installation than a factory defect.
- An energy-saving mode left switched on can cap the compressor enough that the room drifts warm again after an initial cool burst.
- Ask whether every operating mode was checked and reset to normal before pursuing any warranty claim.
Related reading
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