Balboa Water Group TP900 - Manual (Page 18)

40985_F 12-08-11 18
Manufactured under one or more of these patents. U.S. Patents: 5332944, 5361215, 5550753, 5559720, 5,883,459, 6253227, 6282370, 6590188, 6976052, 6965815, 7030343, 7,417,834 b2,
Canadian Patent: 2342614, Australian patent: 2373248 other patents both foreign and domestic applied for and pending. All material copyright of Balboa Water Group.
Heater-Related Messages
The water fl ow is low – M016
There may not be enough water fl ow through the heater to carry the heat away from the heating element. Heater start up
will begin again after about 1 min. See “Flow Related Checks” below.
The water fl ow has failed* – M017
There is not enough water fl ow through the heater to carry the heat away from the heating element and the heater has
been disabled. See “Flow Related Checks” below. After the problem has been resolved, you must press any button to reset
and begin heater start up.
The heater may be dry* – M028
Possible dry heater, or not enough water in the heater to start it. The spa is shut down for 15 min. Press any button to
reset the heater start-up. See “Flow Related Checks” below.
The heater is dry* – M027
There is not enough water in the heater to start it. The spa is shut down. After the problem has been resolved, you must
clear the message to restart heater start up. See “Flow Related Checks” below.
The heater is too hot* – M030
One of the water temp sensors has detected 118°f (47.8°C) in the heater and the spa is shut down. You must clear the
message when water is below 108°f (42.2°C). See “Flow Related Checks” below.
Flow-Related Checks
Check for low water level, suction fl ow restrictions, closed valves, trapped air, too many closed jets and pump prime.
On some systems, even when spa is shut down by an error condition, some equipment may occasionally turn on to
continue monitoring temperature or if freeze protection is needed.
* This message can be reset from the topside panel.
M0XX numbers are Message Codes. See Page 13.