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628 & 698 Models
26
T
roubl
e
Shooting F
ault Diagnosis Guide (3)
W
ater Not Hot
Pr
obl
em/ Report
P
os
s
ibl
e Cause
Sugges
ted Action
Hot W
ater Not Hot
Ambient T
e
mp onl
y
Heating oper
ation switched off (No Y
ell
o
w
LED)
Heating oper
ation tripped off (No Y
ell
o
w
LED)
Br
eak in suppl
y wiring to c
ontr
ol cir
cuit
Switch on
Reset Ov
erheat Button on Hot T
ank
Locate br
eak and r
epair
W
arm T
e
mper
atur
e - not hot
Main r
eheat el
ement not w
o
rking (Red LED on all
the time)
Hot tank heavil
y scal
ed up (signs of scal
e in top of
Cold T
ank, l
oud boiling noises etc)
Br
eak in suppl
y wiring to main el
ement
Check suppl
y v
oltage and curr
ent to Heater Band
and r
eplac
e ac
co
rdingl
y
Check suppl
y v
oltage and curr
ent to Hot Thermos
tat
and r
eplac
e ac
co
rdingl
y
Carry out thor
ough descal
e/ c
ompl
ete r
eplac
ement
of Hot T
ank
Locate and r
epair br
eak
Summary of Contents for 628
Page 1: ...INSTALLATION OPERATION GUIDE 628 698 MODELS ...
Page 3: ...Section1 Technical Manual ...
Page 7: ...Section 2 Technical Manual ...
Page 19: ...Section 3 Technical Manual ...
Page 23: ...Technical Manual Section 4 ...
Page 35: ...Section5 Technical Manual ...
Page 40: ...628 698 Models 40 Borg Overstrom 628 698 Cold Ambient Ambient Electrical Diagram ...
Page 41: ...628 698 Models 41 Borg Overstrom 628 698 Hot Cold Production series No 10 ...
Page 42: ...Technical Manual Section6 ...
Page 47: ...Section7 Technical Manual ...
Page 58: ...Technical Manual Section8 ...
Page 75: ...Notes ...
Page 76: ...Notes ...
Page 77: ...Notes ...
Page 78: ...Notes ...
Page 79: ...Notes ...
Page 80: ...Notes ...