Borg & Overstrom 628, Installation & Operation Manual

Page: 24 / 81

628 & 698 Models
24
RESERV
OIR MODELS
T
roubl
e
Shooting F
ault Diagnosis Guide (1)
No W
ater Dispenses
Pr
obl
em/ Report
P
os
s
ibl
e Cause
Sugges
ted Action
No W
ater Dispenses
Ambient W
a
ter too warm
W
a
ter Suppl
y turned off (and T
ank empty)
“W
aterbl
ock” tripped off (and T
ank empty)
“Leak detector” (if fitted) tripped off (and T
ank
Empty) F
aulty T
a
p (and tank full)
Reserv
oir Fl
oat V
a
lv
e jammed up (and T
ank empty)
Bl
ock
ed T
ank outl
ets/pipes
Check all T
aps/v
al
ve
s/ filter
s on inc
oming suppl
y ar
e
fitted and ar
e turned on.
Reset “W
aterbl
ock” (and check f
o
r any l
eaks)
T
u
rn off el
ec and water and r
eset (Check f
o
r l
eaks)
Check T
ap action. Dismantl
e
T
ap and r
eplac
e
compl
ete or jus
t washer, as needed.
Replac
e/adjus
t position/r
epair as needed
Check and unbl
o
ck/r
eplac
e as needed
F
rom Cold T
ap
Fir
s
tl
y all as f
or Ambient T
ap
Cold ar
ea of tank fr
ozen - Thermos
tat set too l
o
w
Cold ar
ea of tank fr
ozen – F
aulty Thermos
tat
Carry out checks and actions as f
o
r ambient tap.
Thaw out and incr
ease Cold W
a
ter temper
atur
e set
point. Thaw out and check and r
eplac
e Cold Thermos
tat
F
rom Hot T
ap
Fir
s
tl
y all as f
or Ambient T
ap
Airl
ock in dispense pipe w
o
rk
Tank v
ery heavil
y scal
ed up
Carry out checks and actions as f
o
r ambient tap.
Unbl
o
ck/r
eplac
e Hot W
a
ter Pipe and Hot V
ent Pipe
(Check water l
e
vel sho
wing in Hot V
ent Pipe)
Replac
e T
ank