Blocks - Rinnai E85SRN Installation & Servicing Instructions Manual

16.2 Blocks

Code Description
External safety contact open
Outdoor sensor contact open (not
connected)
Incorrect parameter setting for the
minimum or maximum power
A temperature difference has been
detected between the supply and
return sensor whilst the burner is
not in operation. After the average
T has disappeared, the block will
disappear.
flue sensor temperature too high
flue sensor or thermostat contact
open
flue sensor or thermostat contact
closed
flue gas thermostat contact open
no water flow can be detected
through the controller. De-aeration
cycle is started. When water flow
is detected during this cycle, the
de-aeration cycle is terminated
and the burner is released.
The controller checks the water
pressure during static and
dynamic situation.
The frequence of the power supply
deviates more than + or -1.5Hz
68
An error, which has been detected, is indicated on the display by a block message.
Blocks can be temporary in nature. The controller will do everything possible to prevent
a system lock and temporarily switching off the boiler as a result of a block. Please
see below for a summary of blocks.
Blocks with a figure on the last 2 characters.
Solution
Rectify error as a result of which by determining contact is open.
Or repair interconnection between 24/25
Rectify error as a result of which by determining contact is open or
outdoor sensor is not connected.
Connect outdoor sensor or repair wiring (position 18/19) or replace
outdoor sensor.
Call Rinnai
Check the supply and return sensor for the resistance value and replace
the defective sensor
Check the installation for any external heat source and rectify this
Check vent system
Call Rinnai
Call Rinnai
Check vent system
or check parameter 84 for default
- check the installation for the presence of air;If there is a secondary
pump installed and it is not hydraulicly separated, it could cause
pressure differences.
- check the use of balancing valves
check if the pump is functioning and/or that the water pressure sensor is
working properly;
Polluted pump;
Polluted water pressure sensor;
Polluted water filter;
Wiring of pump.
check the main power supply