12
12
Generator (HGE)
solution level error
GLS reports open. Ignored for the first 30 seconds and
ignored after 20 minutes of operation. Unit locks out.
Manual
13
WTO sensor error
WT sensor reads below 14°F
(-10°C)
or above 212°F
(100°C).
Auto
18
Seismic switch error
Optional seismic switch is open when it should be
closed.
Manual
20
Cooling water scale
alarm
CND - CTO > 7.2°F
(4°C)
No Reset
Required
21
Cooling water scale
error
CND - CTO > 12.6°F
(7°C)
Manual
25
High cooling water
temperature
Cooling water above acceptable temperatures: CTO
above 108°F
(42°C)
for 3 consecutive minutes.
Auto
26
Generator (HGE) over
heat in heating mode
GPSH has opened. Unit locks out.
Manual
27
Chilled/hot water
flow switch error
(FS1)
FS1 open when it should be closed. Condition has
existed for more than 10 minutes.
Auto
28
Cooling water flow
switch error (FS2)
Optional cooling water flow switch (FS2) open when it
should be closed. Condition has existed for more than
10 minutes.
Auto
29
CTO sensor error
CTO sensor reads below 14°F
(-10°C)
or above 212°F
(100°C)
. Ignored for first 10 minutes of P2 operation.
Manual
32
GP sensor error
GP sensor reads above 338°F
(170°C)
. Unit locks out.
Manual
33
CTI sensor error
CTI sensor reads below 14°F
(-10°C)
or above 212°F
(100°C)
. Ignored for first 10 minutes of P2 operation.
Manual
36
CND sensor error
CND sensor reads below 14°F
(-10°C)
or above 212°F
(100°C)
.
Auto
40
Loss of cooling
capacity
LT temperature reading has not fallen below 59°F
(15°C)
within 30 minutes.
Manual
41
Cooling mode
interrupt error
CIR contacts open for 20 consecutive seconds when
they should be closed.
Manual
42
Heating mode
interrupt error
HIR contacts open for 20 consecutive seconds when
they should be closed.
Manual
43
Low cooling water
temperature
CTI sensor reads below 46.4°F
(8°C)
at start of
operation, or has dropped below this limit for 2
consecutive minutes during operation. Burner shuts
down. P1 and P2 continue to run. Burner starts up
again once CTI sensor rises above 48.2°F
(9°C).
Auto
44
Changeover valve
error
Changeover valve end switch has not closed within 22
seconds.
Manual
52
Combustion system
error
Burner Controller indicates an alarm condition.
Manual
72
LT sensor error
LT sensor reads below 14°F
(-10°C)
or above 212°F
(100°C)
.
Manual
88
Circuit Board Error
Either the CPU Board or the I/O Board or both are not
responding. All functions frozen.
Not
Possible
93
Model setting error
DS1 and DS3 settings are incompatible
Manual
94
TS1 Position Error
Unit left in BC or VC test mode without interaction
longer than 30 minutes.
Auto
95
Data Error
CPU board requires reboot or replacement.
Manual
Table 2 - ERROR CODES
Содержание CH-K30
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