6 720 643 259 (2010/05)
Troubleshooting
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49
US/CA
Fault 56
At least one pump/valve in manual mode
147
Pump (SP) in manual mode.
Reset parameters for pump or
valve to “Auto”.
148
Valve (DWU1) in manual mode.
150
Pump (PA) in manual mode.
151
Pump (PB) in manual mode.
152
Pump/valve (PC/DWUC) in
manual mode.
153
Pump (PD) in manual mode.
154
Pump (PE) operated manually.
Fault 59
Flow rate in solar system too high/low.
201
Flow rate in solar system for
collector group 1 is too high.
Set flow rate in solar circuit
correctly (e.g. increase/reduce
pump speed) or, if necessary,
further open or close flow
setter on the solar pump
station.
Target: 0.22 gpm (50 l/h) of
collector.
Check that the settings match
the collector area, type and
location factor in the solar
optimization menu.
202
Flow rate in solar system for
collector group 1 is too low.
203
Flow rate in solar system for
collector group 2 is too high.
204
Flow rate in solar system for
collector group 2 is too low.
1) The display text is shown on the BUS device (e.g. remote control) that detected the fault. On the
other BUS devices, instead of this, the code is displayed and corresponds to the display test.
Display (
Æ
Item 1, 3 and 4 in fig. 15
Text
Code Cause
Remedy (by installer)