SOLAR HEAT TRANSFER FAILURE. MESSAGE ON MONITOR (on a very hot day) reads "CIRCULATION FAULT - CONTACT SUPPLIER". HOT WATER CYLINDER TEMPERATURE REMAINS AT 55 DEGREE C WHILE SOLAR PANEL AT 89 DEG C. THE HEATER TRANSFER LIQUID PRESSURE DROPPED TO 0.5/10 POINTS AND THERE ARE GREENISH LIQUID LEAKAGE AT THE JOINT (see attached photo) Liquid needs to be topped up and joints tightened to stop leakage. Any time as soon as possible. Thank you.
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