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Trouble Shooting Guide

Problems Solution / Cause
No water in tap

No cold water supply. Valve at the outlet of system closed.

Air lock in the pipes.

Valve at the inlet of the system closed.

The system is only delivering cold water

Consumption of hot water may be too high. Collector may be shaded.

The Collector might be choked due to scaling.

The Thermosyphonic water circulation is weak or it can be stopped by small air bubbles in the collector or by bends in the pipes between the tank and the collector. if so remove the bends without dismantle of pipes or contact us.

Water is not heated enough or sufficient quantity of hot water is not available

Cloudy weather. Consumption is too high.

Frequent on-off of hot water tap.

Dust collected on Glass tube /collector.

Vapour lock in the collector which can be removed by allowing it to cool & draining the system.

Partial choking of the collector / tube with Scale.

Water can be seen from outside of glass tube which means glass tube broke from inside.

Breakage of Vacuum Tube without any reason.

Cold water filled during day when Solar tubes are dry and hot. Air vent is choked due to any reason and pressure becomes excessive inside the tank.

Colour of Vacuum Tube changes or water can be seen from outside in vacuum tube.

Inner glass of Vacuum tube is broken due to any of above problem.

Hot water flow at use point is not continues or decreases day by day.

Check the tape scale or other obstruction inside the tank. Air vent is chocked or bend.

Overnight water temperature drops or insufficient water temperature observed in morning.

Please check for leakages inside the solar system or your concealed piping & hot water pipe. Hot water tape is leakage. Hot water delivery pipe is un insulated. Usage of hot water during day or in evening.

Consume more hot water than the system capacity.

Shadow falls on collector tubes during some part of the day.


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