A.O. Smith Dre 120 - Fault Table and Solutions; Spare Parts Information

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2.5 Spare Parts
Prior to ordering spare parts it is
important to note the device type and
the full serial number of the device. This
information is given on the plate which
is afxed to the outside of the door. Data
for spare parts can be established by
using this information.
2.4.3 Fault Table
Fault Cause Solution
Insufcient or
no hot water
Temperature set too low Set regulating thermostats
higher.
Maximum thermostats break the
circuit.
Press in reset button.
Connector is not seated in stop
contact, mains switch is off or
fuses are broken.
Check the relevant parts.
Cause cannot be ascertained. Switch off device and ask for
help from technical support
Leakage Insufcient sealing of the
water connections.
Tighten the screw thread
connections.
Leakages from other water
devices or pipes nearby.
Trace the cause