Hoshizaki ROX-20TA-U - Manual (Page 34)

32
U8AA5540012
Lamp
Service
Call
Service
Call
Code
E42
E43
E51
E52
Problem
Metering pump
stroke speed
exceeds 360spm
for 60 sec.
Metering pump
stroke speed
does not exceed
10spm for 60
sec.
Stroke speed
exceeds last
stroke speed +
10spm for 20
sec.
Abnormal input
from current
sensor
Check
Filter
Salt Water Hose
Water Supply
Cell Salt
Concentration
Set Voltage
Set Amperage
Salt Water Tank
Metering Pump Head
Dial
Salt Water Hose
Filter
Salt Water Tank
Switching Power
Supply
Control Panel
Backside Board
Relay
Magnetic Contactor
Current Sensor
Switching Power
Supply
Possible Cause
Dirty.
Clogged.
Air inside.
Too much.
Too high.
Too high.
Too low.
Salt water too thick.
Not positioned at
“E”.
Air inside.
Clogged.
Dirty.
Salt water too thin.
Defective.
DC power supply
line opened.
Connector in bad
contact.
Parts on board
defective.
Bad contact.
Bad contact.
Defective.
Connector in bad
contact or open
circuit.
Defective.
Connector in bad
contact.
Remedy
Clean.
Unclog.
Remove air.
Keep within specified
range.
Repeat dispensing to
supply water and
lower concentration.
Reduce.
Raise.
Thin.
Turn into “E” position.
Remove air.
Unclog.
Clean.
Thicken.
Repair or replace.
Repair.
Improve contact.
Repair or replace.
Repair or replace.
Repair or replace.
Repair or replace.
Improve contact or
repair.
Repair or replace.
Improve contact.