Attempted to translate the central electronic console document - with limited success. Find it interesting that error codes of Espar airtronic heater can be displayed...
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central electronics display Heating error indisplayMeaning Cause
F10 shutdown due to overvoltage F12 overheating, disconnection via fuel pump * 1 air duct clogged F13 overtemperature Flame sensor * 2 air duct clogged F20 interruption glow plug glow plug defective F23 interruption controlling glow plug, connection B5 F29 burner motor stage 5 does not rotate F30 burner motor stage 4 does not rotate F31 burner motor Level 3 does not rotate F32 burner motor Stage 1 does not rotate F33 burner motor stage 2 does not rotate F36 shorting terminal B6 F47 short dosing F52 safety overrun, no flame fuel cut F53 Flame failure from excessive starting power fuel cut F54 Flame failure of large operating power fuel cut F55 Flame interruption of average operating power fuel cut F56 Flame failure of smaller operating performance fuel cut F60 interruption - temperature control sensor F61 Short circuit temperature - control sensor F62 interruption setpoint of ZE (line gray or gray / red) F63 Short circuit setpoint of ZE (line gray or gray / red) F64 F65 interruption Flame sensor short circuit Flame sensor interruption F70 ZE - temperature sensor (Leit. black / white) F90 electronics, reset internal control unit defective F91 electronics, reset external interference voltage in the electrical system F92 Electronics, ROM - Error Control unit defective F93 Electronics, RAM - Error Control unit defective F94 Electronics, EEPROM - Error Control unit defective
* 1 controller locks after four fault indication * 2 controller locks after a single fault indication
To the heater against consequential damage to preserve due to overheating, the controller disables the heating and stores the error code. After verification and expert repair of the heating system, the error code must be cleared. The stored error code can only be erased with a tester.
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Also of interest is the pinout and voltages:
Terminal assignment 2 x 13 pin AMP connector central electrics
Pin ZE label sectional / cond. -Color
01. Fresh water sensor WS 0.5 02 0.5 timer ge 03. Temperature sensor refrigerator 0.5 gr / ge 04. temperature sensor Outside temperature 0.5 gr / gn 05. Compressor undervoltage 0.5 or 06. Compressor control 0.5 rs 07. Temperature sensor outdoor temp. mass) 0.5 gr / gn 08. Device ground Kl. 31 0.5 br 09. temperature sensor fridge (mass) 0.5 gr / ge 10. Operating voltage 12V Kl. 30 0.5 rt / gn 11. City water solenoid valve 0.5 Not used 12 Power measurement (body side) 0.5 gr / br measuring shunt; Pin 6,3 x 1 13. Current measurement (battery side) 0.5 gr / sw measuring shunt; Flat connector 4,8 x 1 14 wastewater Sensor 0.5 gr 15. City water sensor 0.5 Not used 16 Power Charger (Power on) 17 0.5 GN Generator D + 0.5 bl 18. Lighting Kl. 58b 0.5 rt / gr 19. Temperature sensor Heating 0.5 gr / bl (interior sensor VW) 20, temperature sensor heating (mass) 0.5 gr / bl (interior sensor VW) 21 Heating control (+ 12V) 0.5 ge (controller Heating B14) 22 . Error Detection heating 0.5 bl / ws (controller Heating B04) 23 control voltage Heating (+1 .... + 2.5V) 0.5 gr / rt (controller Heating B07) 24 Reference voltage heating (+ 1.75V ) 0.5 g (controller Heating B08) 25. Voltage measurement minus 0.5 SW 26 voltage measurement positive 0.5 rt