1Troubleshooting & Service for GL/GS Systems50 Hz
10230 Volt / 50 Hz Residential Wiring Schematic with 2 Pole RCD Breaker BoxOutside Ground RodONONONONOFFOFFOFFOFFOFFOFFOFFOFFONONONON230VAC House Brea
11Spa System BoxTB1HTR2J101 J100HTR1GNJ50T1J1J2J10J57J58J7110VAC10VACJ46J25J26J72J90J28J1AJ2AJ32J52J51F6, T30A 480VAVOZONE PUMP 1OPT. BLWR/PUMP 2CIRC.
12230 Volt / 50 Hz Residential Wiring Schematic with 4 Pole RCD Breaker Box 230 VAC “Live Wire” Neutral +GroundOutside Ground RodONONONONOFFOFFOF
13Spa System BoxTB1HTR2J101 J100HTR1GNJ50T1J1J2J10J57J58J7110VAC10VACJ46J25J26J72J90J28J1AJ2AJ32J52J51F6, T30A 480VAVOZONE PUMP 1OPT. BLWR/PUMP 2CIRC.
14230 Volt 50 Hz - Residual Current Devices (RCD’s)Two Pole RCDFour Pole RCDA residual current device (RCD, or R.C.D. henceforth) is the generic term
15TB1HTR2J101J50J57J25J32J52J51F6, T30A 480VJ471234W1BalboaBALBOA INSTRUMENTS, INC.GS500ZCOPYRIGHT 2007MADE IN U.S.A.P/N 22015_BPb IMPORTANT!Remember,
16Diagnosing M7 Topside Control Panels PRELIMINARY PANEL CHECKIf the problem is not obvious, look on the topside control UÊpanel for diagnostic messag
17NOTE: A common programming mistake is overlapping filter times that may cause the spa to filter continuously.Check the water level.UÊCheck the water
18SOME TROUBLESHOOTING SCENARIOSYou find out the system is in “OHH”. This alone doesn't explain a lot. What led up to the “OHH” is much more impo
19Basic Control System TroubleshootingLOW VOLTAGEAt Balboa, it’s been our experience that the majority of the problems associated with electronic cont
2Balboa’s Patented M7 TechnologyTOPSIDE CONTROL PANELThe control panel activates functions at the touch of a button. Each function will echo from the
20Test the BlowerPlug in the blower.UÊPower up the system and activate the blower.UÊIf the fuse blows, then there is a blower problem.UÊIf the fuse do
21HEATER START UP INFORMATIONOn M-7 systems, the heater goes through a testing phase every time it starts up to assure that there is adequate water flo
22ML Series Panels -- For Use with EL and GL Systems “Molex” type ML/GL ConnectorML900ML700ML554ML553ML551ML550ML400ML260ML240ML200JetsLightF2TLF1PLJ
23ML900 Panel OperationDiagnostic Messages section for the ML900 is unique. Refer to the User Guide for additional information. User Guide for panel
24Locking the PanelPress “Time” “Jets 1” then “Warm” within 3 seconds. When locked, the PL “PL” light will light. All buttons are frozen except the “T
25ML550, 551, 554 Panel OperationCool/Warm ML500, 551, 554 Press the “Cool” or “Warm” button once to display the set temperature. Each time eithe
26ML550, 551, 554 Panel Operation (cont.)Blower 1-speed operation: on/off; 2-speed operation: med/hi/off; or 3-speed operation: lo/med/hi/off. If le
27Clean-up Cycle (optional) When a pump or blower is turned on by a button press, a clean-up cycle begins 30 minutes after the pump or blower is turne
28ML550, 551, 554 Panel Operation (cont.) – Dolphin II AddressWhen set to “ ”, no addressing is used. Use this setting for a Dolphin I, or for a Dolph
29ML200, 240, 260, 400 Panel OperationPlease refer to the following User Guides for more detailed information: ML400 User Guide: P/N 40570-99; ML260 U
3Table of ContentsBalboa’s Patented M7 Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Balboa
30Pressing “Jets” while in Economy mode puts the spa in Standard-In-Economy mode, (“”) which operates the same as Standard Mode, then reverts to Econo
31Ozone (optional) ML400On most systems, the ozone generator (if installed) runs during filter cycles (except when pump 1 is operating at high speed on
32User Preferences ML400There are several aspects of spa operation that you can customize using the User Preferences submenu.Press “Temp” then “Jets”,
33GL Series Mach 3 -- Persistent Memory & Power UpThis document applies when using ML Series panels with any EL or GL Mach 3 series system.Any tim
34“Phone Plug” RJ Type, VL/GS Connector VL Series Panels -- For use with GS SystemsVL802DVL801DVL702SVL701SVL700SVL600SVL Panel Line-upSTANDARD SYSTEM
35“Phone Plug” RJ Type, VL/GS Connector VL406T VL406UVL404VL402VL401VL400VL260VL240VL200 VL403DUPLEX SYSTEMSJetsLightWarmCoolHeatJetsLightBlower TempH
36TEMP CONTROL (26°C - 40°C / 80°F - 104°F)The last measured water temperature is constantly displayed.The water temperature displayed is current only
37On panels with “Warm” and “Cool” buttons, to display the set temperature, press “Warm” or “Cool” once. To change the set temperature, press a temper
38Preset Filter Cycles 500DZThe first preset filter cycle starts at 8:00 AM and ends UÊat 10:00 AM. The second preset filter cycle starts at 8:00 PM and
39GS Persistent Memory with VL PanelsAny time you change a DIP Switch, other than A1, you must reset Persistent Memory for your new DIP Switch Setting
4230 Volt / 50 Hz Residential Wiring Schematic with 2 Pole RCD Breaker Box . . . . . . . . . . . . . . . . . . . . 10230 Volt / 50 Hz Residential Wir
40Changing a System Circuit Board Important!Be sure to turn the power off before replacing any component, especially a circuit board. Important!DO NOT
41Testing the Sensor SetIf the opposite sensor is now reading higher, UÊthe problem is with the sensor(s). Replace the sensor set.*If you wait more t
42Removing the Heater Assembly from a Spa SystemNote: Be careful when removing a heater assembly from a spa plumbing system. Water may splash out und
43Panel Message Reference Guideor5FNQFSBUVSFOPUDVSSFOUJO&DPOPNZPS4MFFQNPEF*O&DPOPNZPS4MFFQNPEFUIFQVNQNBZCFPGGGPSIPVSTPVUT
44Panel Message Reference Guide (cont.)5IFQVNQJTPOEVSJOH4UBOECZ.PEFUPBTTJTUJOESBJOJOHUIFTQB1SFTTi+FUTwUPUVSOPGGUIFQVNQXIFOXBU
45i*DFw1PUFOUJBMGSFF[FDPOEJUJPOEFUFDUFE/PBDUJPOSFRVJSFE5IFQVNQTBOEUIFCMPXFSXJMMBVUPNBUJDBMMZBDUJWBUFSFHBSEMFTTPGTQBTUBUVT1FSTJ
46Panel Message Reference Guide (cont.)&WFSZEBZT<> $MFBODPOEJUJPODPWFSQFSNBOVGBDUVSFSTJOTUSVD-UJPOTReminder, Suppress in Us
474QBJTTIVUEPXO<>5IFTFOTPSUIBUJTQMVHHFEJOUPUIF4FOTPSi#wKBDLJTOPUXPSLJOH5FTUTFOTPSBOESFQMBDFJGCBE1MFBTFTFF5FTUJOH
4840921 Rev A October 31, 2008Tustin, Ca. 92780 (714) 384-0384 ©2008 Balboa Water Group. All rights reserved.
5Balboa Service Tools ChecklistService Tools RequiredAmmeter (50A)UÊBalboa Six-in-one ScrewdriverUÊDigital Multi-meterUÊPadlock (to lock electrical di
6Balboa Service Parts ChecklistRecommended Parts For Service CallsExtra Board(s)UÊExtra Panel(s)UÊFusesUÊJumpersUÊHeater AssemblyUÊ20618 JUMPER LOGICC
7Two Types of Plug-in Connectors:“Molex” Type, ML/GL ConnectorOn Every System, an Identification Label Is Placed on top of the CasingHeater Element
8Troubleshooting & Servicing Spa and Electrical Equipment DANGER Risk of electric shock. Before working with any electrical connections, make
9Wiring Checks WIRING CHECK PRECAUTIONSWhen working in a system box always be aware that it UÊmay contain high voltage.Always keep your fingers and ha
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