Fault Codes List - Potterton iHE 100 Installation & Servicing Instructions Manual

4.5 FAULT CODES LIST

Code Fault Description
10 Outside sensor, error
20 Boiler temperature 1, sensor error
26 Common fl ow temperature, sensor error
28 Flue gas temperature, sensor error
30 Flow temperature 1, sensor error
32 Flow temperature 2, sensor error
40 Return temperature 1, sensor error
50 DHW temperature 1, sensor error
60 Room temperature 1, sensor error
65 Room temperature 2, sensor error
68 Room temperature 3, sensor error
70 Storage tank temperature 1, sensor error
81 LPB Short circuit
83 LPB collision
84 BSB address collision
98 Extension module 1, error
99 Extension module 2, error
100 2 Clock time masters
110 STB lockout
111 Shutdown limit thermostat
119 Shutd water pressure switch
121 Flow temperature heating circuit 1 not reached
122 Flow temperature heating circuit 2 not rached
126 DHW charging temperature not reached
127 DHW legionella temperature not reached
128 Loss of fl ame during operation
130 Flue gas temp too high
133 Safety time exceeded
151 BMU Internal error
152 Parameterization error
153 Unit manually locked
160 Fan speed threshold not reached
171 Alarm contact 1 active
217 Sensor error
218 Pressure supervision
317 Mains frequency outside permissable range
320 DHW Charging temperature, sensor error
323 Water Pressure 3 too low
324 Input BX, same sensors
325 Input BX/extension module, same sensors
326 Input BX/mixing group, same sensors
327 Extension module, same function
iHE
Notes
Check connections and / or replace faulty sensor (B9)
Check connections and / or replace faulty sensor (B2)
Check connections and / or replace faulty sensor (B10)
Check connections and / or replace faulty sensor (B8)
Check connections and / or replace faulty sensor (B1)
Check connections and / or replace faulty sensor (B12)
Check connections and / or replace faulty sensor (B7)
Check connections and / or replace faulty sensor (B3)
Check connections and / or replace faulty sensor (R1)
Check connections and / or replace faulty sensor (R2)
Check connections and / or replace faulty sensor (R3)
Check connections and / or replace faulty sensor (R4)
Check ribbon cable of OCI345 is not shorting on casing
Duplicate LPB address - Check all PCBs function 6600
Room unit incorrectly confi gured - see function 40
Module 1 confi guration error - Check parameters
Module 2 confi guration error - Check parameters
Only PCB no 1 is set as time master - see Function 6640
Check connector X18a and all fl ow & return sensors
Heat exchanger temperatures have been exceeded
Check for condensate or fl ue blockage
Htg Circuit 1, time temp parameter not reached
Htg Circuit 2, time temp parameter not reached
Check operation and heat up times for DHW
Check operation of appliance
Ionisation current lost after successful ignition
Heat Engine is overheating. Check causes of high temperatures
Ignition unsuccessful after 5 attempts
Check polarity is not reversed to the appliance
Incorrect / Confl icting parameters input.
Reset button stuck in
Required fan speed not reached
Condensate or fl ue system blockage
Ionisation current fault.
Check water pressure in heating circuit
Check electrical installaiton
Check connections and / or replace faulty sensor (B36)
Check water pressure in heating circuit
BX sensor duplicated - check parameters
BX extension module sensor duplicated - check parameters
BX Mixing Circuit sensor duplicated - check parameters
Extension Modules duplicated - check parameters
42
Table 3.0
GB/IE