Webasto DUAL TOP RHA 100, Руководство по установке

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Fault code output
118
Message 14
Failure cooling air ventilation
Overheating of heaters' control unit Ensure that cooling air can flow freely,
reset heater (by pressing OK or switching off for at least 5 sec.)
Message 15
Failure combustion air motor
Combustion air motor interrupted Ensure that cooling fan can freely rotate,
remove possible blocking objects.
Check fuse 15 A.
Message 16
Failure combustion air motor
Combustion air motor fault:
disconnection / short circuit / overload / blocked See message 15.
Message 17
Failure control unit
Control unit (heater) fault / heater locked Put heater back into service (see above this table) and restart heater.
Contact a Webasto service station.
Message 18
Failure cabin temperature sensor
Interior temperature sensor
disconnection / short circuit Check routing of cable, avoid that it is pinched or crushed,
check the connector behind the control panel.
Reset heater (by pressing OK or switching off for at least 5 sec.)
Replace the inside temperature sensor.
Message 19 n/a n/a
Message 20
Failure heating air temperature sensor
Hot air temperature sensor disconnection Check routing of cable, avoid that it is pinched or crushed, check the connectors.
Reset heater (by pressing OK or switching off for at least 5 sec.)
Contact a Webasto service station.
Message 21
Failure heating air temperature sensor
Hot air temperature sensor short circuit See message 20.
Message 22
Failure sanitary water temperature sen-
sor
Water temperature sensor disconnection See message 20.
Message 23
Failure sanitary water temperature sen-
sor
Water temperature sensor short circuit See message 20.
Message 24
Failure glow plug
Glow plug / flame detector disconnection See message 20.
Message 25
Failure glow plug
Glow plug / flame detector short circuit See message 20.
Message 26
Failure flame detection
Early flame detection See message 20.
Message 27
Failure relay box
Short circuit of 230 V indication signal from relay
box to heater Check wiring harness relay box to heater.
Check relay box and connection relay box.
Check Control Panel and connections Control Panel.
Contact a Webasto service station.
Table 1: Fault messages of programmable heater control
Message Meaning Remedy