Vaillant ecoMAX 665 Installation And Maintenance Manual

Also see for ecoMAX 665: Instructions for use Installation and maintenance manual

Vaillant ecoMAX 665 Installation And Maintenance Manual Manual pdf 33 page image

33Installation and maintenance manual ecoMAX 665Troubleshooting 8Code Meaning Display value/adjustable valued.47 External temperature actual value actual value in °Cd.50 Minimum speed offset in r.p.m./10d.51 Maximum speed offset in r.p.m./10d.52 Minimum air pressure offset in Pad.53 Maximum air pressure offset in Pad.60 Number of temperature limiting shutdowns numberd.61 Safety thermostat shutdown numberd.67 Remaining lockout time heating in minutesd.68 No first start number number of failed ignitions in the first attemptd.69 No second start number number of failed ignitions in the second attemptd.71 Max. supply temperature heating max. target value of the heating supply temperature:adjustable value 40 - 85 °C (factory setting: 75 °C)d.72 Pump run-out hot water pump run-out time in seconds after the charging of a hotwater cylinder; factory setting: 80 sd.75 Max. charging time hot water cylinder maximum charging time for a cylinder without its own con-trollerd.76 Appliance variants 1 - 19d.77 Partial-load hot water cylinder limitation of the storage charging output in kWd.78 Max. supply temperature hot water limitation of the storage charging temperature in °Cd.80 Operating hours heating in hd.81 Operating hours hot water generation in hd.82 Burner starts - heating number of hystereses in the heating mode x 100d.83 Burner starts - hot water mode number of hystereses in the hot water mode x 100d.87 Type of gas (natural gas/liquid gas) not necessary, must stay at 0 = natural gasd.90 Digital controller 1 = detected, 0 = not detectedd.91 Status DCF77 DCF status with connected external sensor with DCF77receiver: 0 = no reception; 1 = reception;2 = synchronised; 3 = validTable 8.2: Diagnosis codes8.1.3 Error codesThe error codes displace all other displays when errorsoccur.An error that arises is shown in the display as “F...”, e.g.“F.10” (see table on the next page).The error code displayed is accompanied by a plain textdisplay, e.g. for F.10: “Short circuit supply sensor”.If several errors occur simultaneously, the correspond-ing error codes are displayed alternately for approx. 2seconds each.8.1.4 Error memoryThe last 10 errors are saved in the appliance errormemory.• Press the “i” and “–” keys simultaneously.• You can scroll back through the error memory bypressing the “+” key.You can exit the error memory display as follows:• Press the “i” key beneath the displayor• do not press any key for about 4 minutes.The current heating supply temperature appears in thedisplay again.