SECTION 27: T
ROUBLESHOOTING
183 of 198
E
Contin
u
o
u
s high fire
(electronic pro
b
lem)
1
Short circ
u
it in TS194(Q) Dis-
charge Air Sensor circ
u
it or
w
ir-
ing.
1
Check TS194(Q) for internal short cir-
c
u
it. See Temperat
u
re Sensor F
u
nction
of Preliminary Circ
u
it Analysis.
2
Fa
u
lty MP2
2
Perform remedy for possi
b
le ca
u
se 1
and 2 a
b
o
v
e. If mod
u
lating
v
oltages are
still not o
b
tained, MP2 may
b
e
ass
u
med fa
u
lty. Replace.
F
Contin
u
o
u
s high fire
(electronics OK)
1
Foreign o
b
ject holding
v
al
v
e
open.
1
Remo
v
e
b
ottom plate and inspect
v
al
v
e
and seat.
2
Pl
u
nger jammed.
2
Inspect. Pl
u
nger sho
u
ld
b
e smooth,
clean and operate freely in solenoid
slee
v
e. Clean or replace pl
u
nger if nec-
essary. Do not
u
se l
ub
ricants of any
type.
G
Incorrect high fire
1
Inlet press
u
re too lo
w
.
1
Read press
u
re at inlet to mod
u
lating
v
al
v
e
u
sing a manometer
w
ith
u
nit
operating at f
u
ll fire. Press
u
re sho
u
ld
b
e eq
u
al to the s
u
m of o
u
tlet press
u
re
setting pl
u
s press
u
re drop of the
v
al
v
e.
See Maxitrol's Capacity Chart, M-
MR.MT.EN.
2
Incorrect o
u
tlet press
u
re adj
u
st-
ment of Press
u
re Reg
u
lator.
2
Read manifold press
u
re
u
sing manom-
eter and compare
w
ith recommenda-
tion of eq
u
ipment man
u
fact
u
rer. See
Val
v
e Adj
u
stments for high fire adj
u
st-
ment.
Summary of Contents for TT Series
Page 2: ......
Page 4: ......
Page 136: ...TT SERIES INSTALLATION OPERATION AND SERVICE MANUAL 130 of 198 FIGURE 114 Regulator RV61 ...
Page 167: ...SECTION27 TROUBLESHOOTING 161 of 198 ...
Page 175: ...SECTION27 TROUBLESHOOTING 169 of 198 ...
Page 177: ...SECTION27 TROUBLESHOOTING 171 of 198 ...
Page 198: ...TT SERIES INSTALLATION OPERATION AND SERVICE MANUAL 192 of 198 ...
Page 202: ...TT SERIES INSTALLATION OPERATION AND SERVICE MANUAL 196 of 198 ...
Page 203: ...SECTION 28 THE WEATHER RITE TT SERIES WARRANTY 197 of 198 ...
Page 204: ...TT SERIES INSTALLATION OPERATION AND SERVICE MANUAL 198 of 198 ...