IDEAL EVOMAX 2 Series User Manual page 24

ERROR TYPE
(Warning,
Blocking,
Lockout)
SYSTEM (FLAME, FAN, HYDRAULIC, ETC.)
B Blocking due to no CH water flow
B Low water pressure
W No flame signal at start (restart)
Flameloss during operation => endless restarts
W
(Parameter "endless restarts" activated)
Flameloss during operation,
L => Lockout after restarts attempts are used
(Parameter "endless restarts" deactivated)
W Flameloss during stabilisation => restart attempts
Flameloss during stabilisation
L
=> Lockout after restarts attempt are used
L False flame (with heat demand)
L No flame after restarts
B/L Fan speed, stand still check
Fan speed not achieved, e.g. Pre-purge-test, post-purge-
L
test etc.
B/L Error fan speed during pre-purge (5* restarts => lockout )
Error min/max supervision fan speed during operation
W
(restart)
W Warning due to mains overvoltage
B Blocking due to mains undervoltage
Opentherm plus error (communication faulty; no connection
W
anymore , etc)
L Too many remote resets
B No water flow indication
B PWM pump blocking error (feedback 90%)
B PWM pump electrical error (feedback 85%)
B HX water flow fault (feedback < min flow rate)
B PWM pump dry run error (feedback 80%)
B Warning code from pump (feedback 75%)
DESCRIPTION
24
ERROR CODE
(OpenTherm)
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72