52 Instructions for installation and servicing ecoTEC 839592_12
Display Meaning Display value/adjustable value
d.50 Offset for minimum speed in rpm/10, adjustment range: 0 to 300
d.51 Offset for maximum speed in rpm/10, adjustment range: -99 to 0
d.58 From the third quarter of 2006:
Activation of solar reheating
Setting range: 0 to 3
0 = solar reheating disabled (factory setting)
3 = activation of min. hot water target value = 60 °C for solar
reheating
d.60 Number of safety temperature limiter cut offs Quantity
d.61 Number of lock outs Number of unsuccessful ignitions in the last attempt
d.64 Average ignition time in seconds
d.65 Maximum ignition time in seconds
d.68 Unsuccessful ignitions in the first attempt Quantity
d.69 Unsuccessful ignitions in the second attempt Quantity
d.70 Set diverter valve position 0 = Normal mode (factory setting)
1 = Centre position
2 = permanent heating position
d.71 Maximum setting of heater control knob Adjustment range in °C: 40 to 85 (Factory setting: 75)
d.72 Pump overrun time after warm start (combination boil-
ers only) or charging an electronically controlled hot
water storage through C1-C2 (system boilers only)
Adjustment range in sec: 0, 10, 20 to 600
Factory setting for combination boilers: 80
Factory setting for system boilers: 300
d.73 Offset for warm start target value (combination boilers
only)
Adjustment range: -15 K to +5 K (Factory setting: 0 K)
d.75 Maximum charging time for a storage without own con-
troller (system boilers only)
Adjustment range in min: 20, 21, 22 to 90 (Factory setting: 45)
d.77 Storage partial load (storage charging capacity limit,
system boilers only)
Adjustment range in kW: appliance-specific
Factory setting: max. output
d.78 Storage charging temperature limit (target flow tem-
perature in storage mode, system boilers only)
Adjustment range in °C 55 to 90 (Factory setting: 80)
d.80 Heating operating hours in h
1)
d.81 Water heating operating hours (combination boilers
only)
in h
1)
d.82 Cycles in heating mode Quantity/100
1)
(3 corresponds 300)
d.83 Cycles in hot water operation Quantity/100
1)
(3 corresponds 300)
d.84 Maintenance indicator: Number of hours until the next
maintenance
Adjustment range: 0 to 3000 h and “-” for disabled
Factory setting: “-” (300 corresponds to 3000 h)
d.93 DSN appliance variant setting Adjustment range: 0 to 99
d.96 Factory setting 1 = Resetting adjustable parameters to factory setting
1) Five-digit numbers are saved with the diagnostics codes 80 to 83. If d.80, for example, is selected, only the first two digits of the
number are displayed (e. g. 10). The display switches to the last three digits (e. g. 947) by pressing “i”. In this example the number of
operating hours of the heating is 10947 h. The display returns to the selected diagnostics item by pressing “i” again.
Table 8.3 Diagnostics codes of the second diagnostic level
(continued)
8.1.3 Fault codes
Fault codes take priority over all other display functions
in the event of a system fault occurring.
If multiple faults occur, the corresponding fault codes
are displayed alternately for about two seconds each.
8.1.4 Fault memory
The fault memory stores details of the ten most recent
faults.
• Press the ”i” and ”–” buttons simultaneously.
• Use the ”+” button to scroll back through the list of
memorised errors.
To cancel fault error memory display mode, proceed as
follows:
• Press the ”i” button below the display or
• Do not touch any key for about four minutes. The
display will now revert back to showing the current
flow temperature.
8 Troubleshooting
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