Error Code Text U1
- May 23
- 1 min read
Updated: May 24
Ecodan High pressure fault
Cause
Usually caused by abnormal water flow on the primary circuit.
Check Procedure
Check flow rate on flow setter/sensor, check operation of pumps and zone valves, check water pressure and air in the primary water circuitSamsung error codesE101 error code would suggests the data cable between the indoor control panel and external ESHP, it may be the cable has damaged but more likely the terminals have come loose or corroded so worth checking both ends.E919: A Legionella failure error, which can occur when the unit doesn't reach the desired temperature during a Legionella cycleA Samsung E911 Error Code can often occur on a Samsung air source heat pump system when there is a water flow issue in the system, more often in the Primary pipework circuit.
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