Bosch Ascenta SHX3AM Repair Instruction page 22

6.1.4.5 Filling
SHE5AM digital display
E:14 Flow meter error
Code not used (no flow meter)
E:15 Water in base
Code not used (bases are open)
E:16 Volume flow without activation
Code not used (no flow meter)
E:17 Volume flow too high
Water volume too high, safety float
activated
E:18 Volume flow too low
Water volume too low, heat pump
motor load too low.
Check water supply
702_58300000130262_ara_en_b
Digital error codes E:08 – E:13
are shown with one LED
display: . They have
different causes, such as faulty
heat pump, faulty power
module or insufficient water
supply.
Troubleshooting is needed to
determine the cause.
SHE4AM / SHX3AM
LED display
Same LED
display shows
for error codes
E:14 – E:18.
6.1.4.6 Circulating (heat pump)
SHE5AM digital display
E:20 Heater error
Heater system check failed,
functional safety error.
Replace heat pump
E:21 Blockage
Heat pump unable
circula te and clear blockage.
Replace heat pump
SHE4AM / SHX3AM
LED display
Same LED display
shows for error
codes E:20 – E:21.
to
Page 22 of 27