IBC EX 700 User Manual

8.4 Miscellaneous touchscreen controller errors
Miscellaneous errors
Issue Diagnosis Fix
“Loop/Indoor Sensor”
“Insufficient Air Flow”
“Insufficient Water
Pressure”
The sensor plug is not
engaged.
Check the P501 plug is fully engaged
in the back of the controller board.
“Unknown Error” The sensor plug is not
engaged.
Check the P501 plug is fully engaged
in the back of the controller board.
Temperature sensor input
problem.
Test each temperature sensor for
appropriate readings and Replace
defective temperature sensor.
Error - Max. Inlet/Outlet
Sensor Temp. Exceeded. ->
Check water flow Water
temperature signal not
within acceptable range.
Potential flow or sensor
failure. Consult service
technician.
Current outlet temperature
exceeds operating limit.
Check water flow.
Defective or disconnected
temperature sensor.
Check wiring to temperature sensor
and control module.
Check temperature sensor.
Blank – screen dark, but fan
running Indicative of power-
surge damage to appliance
Check transformer; replace if
damaged.Check circuit board for
visible damage.
Controller is stuck in
"service" mode after
software update.
If update fails or no updates
applied.
Restarting returns the boiler to normal
operation.
114
Section: Troubleshooting

IBC EX 700 Specifications

General

Brand	IBC
Model	EX 700
Category	Boiler
Language	English